Auto Parts That Start With O

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O-Ring and Seal Pick

The o-ring and seal pick is a tool that helps mechanics remove o-rings without scratching the surface of the o-ring groove. O-rings can be found in many parts of a vehicle, including the cooling system and engine. They seal the joints between separate parts and prevent fluids and gases from leaking. These joints are sensitive to any scratches since any imperfections can cause issues with the seal. This can cause the seal to fail and cause issues depending on the part.

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Maintenance

Why Gaskets Are Important In an Engine

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Object Sensor Module

The object sensor module is the device that determines how close an object is to your vehicle’s side or rear. Sometimes called a blind spot detection module, it alerts you to potential collisions.with other vehicles, people, and objects in the vicinity. The location varies between vehicles with some GM vehicles mounting two modules in the rear end. Rear parking assist systems rely on the readings of object sensor modules to help you safely drive in reverse.

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Electrical

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Distance Sensors

Occupant Detection Sensor

The Occupant Detection Sensor is a sensor that detects when someone is sitting in the passenger seat of a car. This pressure sensor is typically located inside the passenger seat, where it sends a signal to the powertrain control module (PCM). Based on the signal sent by the occupation detection sensor, the PCM turns the air bag on or off. Some sensors also read the passenger’s seating position and determine whether or not they’re wearing a seat belt.

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Odometer Drive Gear

The Odometer Drive Gear is a gear found in a vehicle’s odometer. There are inner and outer gears, both of which are essential for an odometer to function properly. One is typically smaller than the other, but their design varies depending on the make and model of the vehicle. Issues with the odometer drive gear, such as broken or missing teeth, can lead to intermittent or complete odometer failure depending on the severity.

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Off-road Lights Explained

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Off Road Bumper

Off-road bumpers, sometimes called off-road bull bars, are specially designed for off-road use. It provides extra protection when driving through tough terrains.

Unlike standard factory bumpers, off-road bumpers are built to withstand the challenges of driving off the beaten path and better protect the vehicle’s front components.

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Car Body

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Off Road Jacks

The off-road jack is a specialized hydraulic tool that can lift an off-road vehicle with significant weight and high road clearance, allowing you to access the bottom of your car for inspections and repairs. This tool might be needed if you regularly go off-roading and might have to raise your off-road vehicle to examine and repair its underside.

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DIY

Your Guide to the Types of Car Jacks and Stands

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Offroad Light

The Offroad Light is a type of automotive light that is best suited for off-roading. Offroad lights act as supplementary lights to your headlights by improving visibility when you’re driving on poorly lit roads in mountains, deserts, and other places away from the city. Light-emitting diodes (LED) are among the most popular types of offroad lights, but other types include high-intensity discharge (HID) lights and halogen lights. You can also find different shapes and sizes of offroad lights, such as light bars and cube lights.

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Car Lights

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Offroad Light Cover

An Offroad Light Cover is a cap that goes over a vehicle’s offroad lights, protecting them from UV damage and inclement weather conditions. These light covers are made from different materials, from cloth to plastic, and differ in shape depending on the type of offroad light they were designed to cover. Some states legally require drivers to cover their offroad lights when driving on local roads and highways. These laws differ per state.

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Accessories

Offroad Lights Explained

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Offroad Light Kit

An offroad light kit is a set of automotive lighting, like spotlights or floodlights, designed for off-road use. These lights are meant to keep your ride safe in low-light conditions. Offroad light kits usually consist of LED or HID lights, mounting brackets, wiring harnesses, and switches.

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Car Lights

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Offroad Light Mount

The Offroad Light Mount is a bracket or fixture for attaching off-road lights like headlights, roof lights, and fog lights. This part might be needed if you plan to install external light accessories or replace existing mounts that have worn out or become too damaged. Offroad light mounts can fit on designated mounting points like the bumper, front grille, and roof rack, and they enable improved visibility while driving off-road at night or in bad weather. Off-road lights use the mounts as attachment points on the vehicle.

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Car Lights

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Oil Control Valve

The oil control valve regulates and controls the flow of oil into the engine’s camshaft. It’s an essential component for engines that use variable valve technology (VVT) because it’s essentially used to set the timing.

You can typically find the oil control valve on the top of the engine on the cylinder head. It’s worth mentioning that vehicles that use VVT have one oil control valve per camshaft.

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Oil Cooler

The oil cooler is a smaller radiator that helps cool engine oil. Just like a regular radiator, oil passes through the oil cooler’s coils, which allows heat to radiate into the surrounding air. Like the radiator, the oil cooler is pivotal in preventing the engine from overheating. More importantly, it keeps the oil temperature low and within its ideal operating temperature. If engine oil overheats, it is less able to lubricate your vehicle’s engine and prevent wear.

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Oil Cooler Connector

The oil cooler connector joins the oil cooler and one of its hoses. Also called the oil cooler line connector, this part might be needed if the oil cooling lines in your vehicle often come loose. Mounted on the oil cooler, the connectors enable lubricant to flow smoothly between the heat-exchanging device and the engine. The oil cooler needs this part to connect the oil cooling lines and prevent leaks.

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Oil Cooler Gasket Set

An Oil Cooler Gasket Set includes the different gaskets that fit round the oil cooler. These gaskets fit between the oil cooler and the engine block. An oil cooler gasket set prevents oil from leaking out of the oil cooler and going into the cooling system, which can cause engine issues. Oil cooler gaskets are either rubber, metal-backed rubber, or silicone. Rubber is the most common and most affordable type, but silicone is more reliable.

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Cooling

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Oil Cooler Guard

The Oil Cooler Guard is a shield that protects the oil cooler from stones, insects, and other debris that can damage the oil cooler and its fins. It’s typically made of heavy-duty aluminum and comes with a finely meshed steel grill to allow airflow. High-quality oil cooler guards are powder-coated to ensure longevity and have anti-vibration mounting points. Because they’re usually laser cut to ensure a proper fit, they require no additional drilling and are easy to install.

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Oil Cooler Hose

The oil cooler hose or line is a tube that connects the engine to the oil cooler. It acts as a bridge that lets lubricant pass through and creates a cycle between the two parts.

A damaged oil cooler hose can negatively impact the engine cooling process. This usually happens when the cooler hose develops leaks and crimps.

The oil cooler hose should be replaced at least once before the 100,000-mile mark.

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Oil Cooler Line

The Oil Cooler Line lets engine oil flow continuously between the engine and the oil cooler.

It is prone to crimping and developing leaks, which can result in problems like low engine oil levels, oil leaks, and damaged lines.

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Oil Cooler Line Disconnect Tool

The Oil Cooler Line Disconnect Tool assists you in disconnecting oil lines from the radiator or oil cooler. This tool might be needed if you often remove oil cooler lines and automatic transmission lines. The oil cooler lines need the disconnect tool for easy and safe removal from the transmission for the purpose of replacement.

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Maintenance

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Oil Cooler Line O-Ring

An oil cooler line o-ring is a simple seal used in connections to or from your vehicle’s oil cooler. That said, they are crucial to keeping engine oil properly contained. The oil cooler functions much like the radiator. However, it handles engine oil instead of coolant. This means the oil cooler line o-rings need to withstand high temperatures and pressures to prevent oil from leaking out of the system.

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Cooling

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Oil Cooler Mount

The oil cooler mount keeps the oil cooler secure and in place. Oil coolers control oil temperature by cooling it with the help of the coolant passing through the cooling system’s coils. This helps keep the engine at optimal temperature.

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Oil Cooler Mounting Kit

The oil cooler mounting kit is a kit that contains various parts for mounting and sealing the oil cooler. This kit might be needed if you will install a new oil cooler or replace damaged or worn-out mounts. Oil cooler mounting kits contain oil cooler mounts and related parts. The oil cooler needs the parts in the mounting kit to support its weight in the engine bay.

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Engine Oil Cooler Assembly Installation Tips

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Oil Cooler Screw

The Oil Cooler Screw is a screw for the engine oil cooler, a radiator-like component that keeps your engine oil cool. You can typically find oil coolers in large trucks and high-performance vehicles that need more than just a radiator to keep the engine oil cool. Oil cooler screws help secure the oil cooler’s different parts, including tubes and fins that facilitate good airflow throughout the engine system.

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Oil Cooler Seal

The Oil Cooler Seal is a gasket that sits between the engine and the oil cooler. Made from rubber or silicone, these seals prevent oil from spilling between the connection points between these two components. Without them, the oil that leaks between the connection points escapes, leading to low oil pressure, overheating, and increased engine wear. The seals are typically donut-shaped with thin walls, but their appearance and thickness varies depending on the vehicle make and model.

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Cooling

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Oil Dipstick

The oil dipstick is a long, flat metal rod used to measure the levels of oil inside the engine. It also indicates whether the oil needs to be replaced and helps drivers determine leaks.

Some oil dipsticks are marked to help indicate when it’s time to add oil to the engine. They’re usually found inside a tube on the left side of the engine.

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Oil Dipstick Flange Repair Kit

An Oil Dipstick Flange Repair Kit usually contains O-ring replacements and a special tool that makes it possible to replace the flange seal without removing the oil pan.

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Oil Dipstick Funnel

The oil dipstick funnel is a part that guides the oil dipstick into the engine at the correct angle and position. This part might be needed if the factory-issued or current oil dipstick funnel fractures or becomes loose. The funnel is mounted in the engine, and the oil dipstick fits in it. The dipstick needs the funnel to secure it and keep contaminants like dirt and moisture out of the engine.

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Oil Dipstick Seal

The Oil Dipstick Seal is a gasket for the engine oil dipstick tube. It’s typically made of thick, durable rubber or silicone, providing a tight seal that prevents engine oil from leaking. It also protects engine oil from dust, debris, and other contaminants that can harm the engine. Oil dipstick tube seals can vary in material, inside diameter, outside diameter, and thickness, so it’s important to find the right seal that fits your vehicle.

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Oil Dipstick Tube

An Oil Dipstick Tube is the tube that contains the oil dipstick. It connects to the engine and holds a certain amount of oil relative to the oil levels in the system. This allows the dipstick to function as a metering stick should it be taken out of the oil dipstick tube. The tube is sometimes affixed to the outside of the engine with access to the crankcase via a small hole on the engine’s side. Transmission oil dipstick tubes also exist.

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Oil Drain Plug

An oil drain plug is a large nut or screw that covers the drain opening at the bottom of the oil pan underneath your vehicle’s engine. The oil drain plug is a helpful component that allows mechanics to easily drain your vehicle’s oil during an oil change. Oil drain plugs can come in various materials like steel, carbon steel, aluminum, or plastic. The plugs typically come with a washer to keep the screw from loosening, as an oil drain plug coming loose would be catastrophic to the engine.

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Oil Drain Plug Gasket

The Oil Drain Plug Gasket is an aluminum or copper gasket that seals a vehicle’s oil drain plug in the area where it links to the oil pan. This gasket prevents engine oil from leaking out when the oil drain plug is sealed. It’s often inspected and replaced whenever the engine oil is changed. This is to retain the seal’s integrity. It, along with the oil drain plug, can often be found at the bottom of the engine.

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Oil Drain Plug Tool

The Oil Drain Plug Tool is specially designed to help mechanics safely unscrew the oil drain plug, which is a bolt located underneath the engine. The oil drain plug can get incredibly hot under the engine. The tool helps the mechanic open the oil drain plug without touching the plug or the hot oil. It can also help facilitate engine oil flow from the oil pan to a used oil container.

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Oil Filler Cap

The Oil Filler Cap is designed to seal the oil fill opening to prevent leaks after refilling your vehicle’s engine oil and block contaminants from entering the engine. It is usually located on the driver’s side of the engine bay.

In some vehicles, the oil filler cap is labeled “engine oil” or other variations for easy identification.

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Oil Filler Cap Gasket

The oil filler cap gasket is a simple rubber seal that fits around the engine’s oil filler cap. The oil filler cap covers the oil fill opening. Without this seal, oil from the engine can seep out around the oil filler cap and leak into surrounding components. The oil filler cap gasket needs to withstand high temperatures since oil can easily heat up to around 300 degrees Fahrenheit.

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Oil Filler Tube

The oil filler tube is a part that lets you refill the engine with fresh lubricant. This part might be needed if the current or stock oil filler tube has developed a leak or another issue that would require it to be replaced. Oil filler tubes are connected to the oil pan, and the oil filler cap covers their end. The engine relies on the oil filler tube to help replenish the oil reservoir with fresh lubricant.

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Oil Filler Tube Seal

The Oil Filler Tube Seal prevents oil from leaking from the engine oil filler tube, which is where you pour motor oil into your engine. Attached to the oil filler tube, the seal is typically located on the driver’s side of the engine bay. It also prevents dirt, moisture, and other contaminants from entering the system and potentially damaging the engine. Most oil filler tube seals are made from durable rubber.

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Oil Filter

The oil filter traps large particles that come from the engine oil and prevents them from entering the lubricating system passages.

Most oil filters are made from porous paper or closely packed cloth fibers. The oil filter lets microscopic particles pass through, which are small enough that they won’t cause any damage when they flow through the bearing oil film.

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Oil Filter Adapter

The Oil Filter Adapter is a component that connects the oil filter and the engine block to regulate and filter oil for the engine to function optimally. It provides filtering capabilities for the larger six-cylinder continental engine.

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Transmission and Engine

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Oil Filter Adapter Gasket

TheOil Filter Adapter Gasket is the part that seals the oil filter housing. This part might be needed to replace an old or damaged gasket that leaks oil. It’s found between the oil filter and accessory case, preventing oil from seeping out of the housing. The engine relies on parts like the oil filter adapter gasket to ensure sufficient oil.

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Why is My Car Leaking Oil?

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Oil Filter Adapter O-Ring

The Oil Filter Adapter O-Ring is a type of gasket that prevents oil from seeping through the oil filter adapter. The O-ring helps the oil filter adapter bypass the oil filter to redirect coolant lines for additional oil cooling or other similar functions. When the seal is installed incorrectly, it can cause the oil filter adapter to vibrate and cause an oil leakage. You can buy replacement oil filter adapter O-rings individually or as part of a set.

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Oil Filter Bypass Valve

The Oil Filter Bypass Valve is attached to the oil filter, and it serves as an alternate route for oil to flow through whenever the filter gets clogged or if the oil is too thick. It opens whenever the oil filter is clogged to divert the oil flow, letting it bypass the filter via an external tube. This makes it possible for oil to reach the engine without having to go through a clogged filter.

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Oil Filter Cover

An oil filter cover is part of the engine’s lubrication unit. It’s a protective enclosure for the oil filter element. Its primary function is to shield the filter from contaminants like dirt/debris and keep oil from leaking.

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Oil Filter Housing

The oil filter housing is an assembly where the oil filter is mounted. These housings are designed to withstand the oil pressure pushed through the oil filter. It’s often made of aluminum or plastic, with some models having different sensors and components.

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Oil Filter Housing: A New Perspective on an Old Solution

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Oil Filter Housing Cap

An oil filter housing cap fits over the housing to create a tight seal. The cap is usually treated as a filter drain piece since one end is flared. Inserting a piece of tubing drains the oil without making a mess.

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Oil Filter Housing Check Valve

The Oil Filter Housing Check Valve, also known as the anti-drain back valve, prevents engine oil from being siphoned from the filter when the engine is shut off. The engine will still turn without a check valve, but the lack of oil can cause the moving parts to wear prematurely.

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Oil Filter Housing Gasket

The Oil Filter Housing Gasket is located between the housing and the engine/cylinder heat, sealing the connection between the two. It prevents oil leaks and maintains proper oil flow to improve engine performance.

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Oil Filter Housing Mount

The Oil Filter Housing Mount secures the oil filter housing, preventing it from moving or getting displaced. Essentially, it’s the part that secures the housing, which is the part that secures the oil filter.

It’s important to keep the oil filter steady and secure because it keeps clean oil circulating throughout the engine. Without it, engine oil can’t flow through the oil filter efficiently, and contaminated oil would damage the engine over time.

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Oil Filter Housing Return Tube

The Oil Filter Housing Return Tube lets engine oil flow smoothly in the oil filter housing to ensure proper filtration.

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Oil Filter O-Ring

The oil filter o-ring is an o-shaped gasket that’s supposed to fit on a specific groove on the oil filter housing cap. This o-ring prevents oil from spilling out of the oil filter housing. Because of the high temperatures and pressures inside the oil filter housing cap, the gasket needs to be in tip-top condition to eliminate the possibility of leaks. Hence, the oil filter o-ring is replaced after every oil change as a preventative measure.

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Oil Filter Relocation Kit

An oil filter relocation kit is an aftermarket modification that allows drivers to move the location of their vehicle’s oil filter to a more accessible location. The kit typically includes hoses, fittings, and a mounting bracket.

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DIY

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Oil Filter Stand Gasket

The Oil Filter Stand Gasket is a flat component that fits around the oil filter stand or oil filter housing. It keeps the oil from the filter from spilling out of the housing and contaminating the rest of the engine bay. Oil filter stand gaskets vary in shape, size, and design depending on the vehicle’s make and model, as well as the gasket’s place in the oil filter stand.

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Oil Filter Support

An oil filter support is a piece of hardware for some vehicles that allows their vehicle to fit newer oil filters. The oil filter support is a cylindrical piece of plastic that’s installed inside a vehicle’s oil filter housing alongside the cartridge oil filter. This piece of hardware is more eco-friendly and allows you to install an oil filter with a larger diameter opening.

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Oil Filter Wrench

The oil filter wrench is a tool that’s used to move oil filters and canister caps. This tool might be needed to remove the oil filter. Oil filter wrenches can grasp slippery oil filters and canister caps while avoiding crushing or damaging the plastic parts. This tool makes it safe to remove spin-on oil filters.

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Do You Need an Oil Filter Wrench for DIY Oil Changes?

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Oil Level Sensor

The oil level sensor measures how much oil is in the engine. It warns drivers when the oil is running low.

This electric sensor works with a float switch that activates a warning signal when oil levels are low. This activates the oil level warning light on the vehicle’s dashboard to inform the driver that it’s time for a refill.

The oil level sensor is typically found in the oil pan.

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Oil Level Sensor Cover

The oil level sensor cover is a metal cover that covers the hole where the oil level sensor is inserted. The oil level sensor is typically located on the oil pan under the engine, since this is where the oil accumulates. Since the oil pan gets quite hot during use, the oil level sensor cover is typically made from steel to withstand the oil’s high temperatures. Additionally, the oil sensor cover is bolted onto the oil pan to ensure it doesn’t leak.

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Oil Level Sensor Gasket

The Oil Level Sensor Gasket is a small seal that sits between the oil level sensor and the upper sump. This gasket is typically made of durable rubber, allowing it to flex to prevent oil from leaking through the pan. When engine oil leaks out of the sensor, it can damage the engine and its surrounding components. Because of this, the gasket is designed to withstand the most challenging conditions within the engine compartment, including temperature variations, oil exposure, and pressure changes.

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Oil Level Sensor O-Ring

The oil level sensor O-ring is a part that seals the connection between the oil level sensor and the oil pan. This seal might be needed when there’s a leak around the oil level sensor or when you need to replace the device and its O-ring. Oil level sensor O-rings are found in the oil pan, and they help prevent leaks. The oil pan relies on the oil level sensor O-ring to prevent engine oil leaks in the reservoir.

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Oil Level Sensor Problems: Symptoms and Fixes

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Oil Line

The Oil Line is a type of hose that transfers oil between the oil cooler and an internal access point in the engine. This helps cool down the oil, which prevents engine oil from breaking down too fast. Oil lines can vary in length, diameter, and material, and they’re usually made of high-quality metal such as stainless steel. You can buy an oil line individually or as part of a kit with the necessary bolts.

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Oil Line Fitting

The Oil Line Fitting is a type of adapter that attaches to different areas along a vehicle’s oil line. It connects the line to other oil system components and also creates a leak-proof seal to prevent oil leakage. Oil fittings are metal and meant to withstand the pressures and high temperatures present along a vehicle’s oil lines. These fittings have a screw-type end that connects to the relevant components and an open end into which the hose of the oil line slots.

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Oil Line Gasket

The Oil Line Gasket is a gasket that affixes to the oil line, where it seals and holds the line to the other components in the engine. Oil lines are responsible for moving oil between the oil cooler and the engine’s internal access points. They assist in keeping the oil at optimal temperature levels, so the oil doesn’t break down too fast and can continue to lubricate the engine’s components effectively. The gasket prevents the oil from leaking out of the oil line.

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Oil Pan

The oil pan is a basin underneath a vehicle’s engine that acts like a reservoir for engine oil. Oil pans are secured onto the bottom of the engine using many bolts. There’s an oil pan gasket between the oil pan and the engine to ensure that oil doesn’t leak around the oil pan. As the oil falls from the engine, the oil pan also helps the oil cool before being recirculated back into the engine. For mechanics, oil pans also allow for easy oil changes, since an oil drain plug is typically located at the bottom of an oil pan. Simply removing the plug will drain all the oil pan’s contents.

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Oil Pan Bolt Set

The Oil Pan Bolt Set refers to the set of bolts that secure the oil pan to the bottom of the engine. Most oil pan bolts are specifically designed to be used for only one time. This means once you remove the oil pan bolts, you can’t reinstall them. You have to buy a complete set of brand-new oil pan bolts. Oil pan bolts can differ in size, and you can also buy them individually.

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Oil Pan Cover

The Oil Pan Cover protects the oil pan from debris to prevent impact damage. The oil pan is attached to the bottom of the engine and acts as a reservoir for oil that’s pumped through the system to cool and lubricate engine parts.

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Oil Pan Gasket

The Oil Pan Gasket is a part that prevents engine oil from leaking out as it leaves the engine and enters the oil pan. This part might be needed if the current or stock gasket has an oil leak. The oil pan gasket is mounted between the oil pan and the engine, acting as a cushion that dampens potentially damaging vibrations. The engine needs the oil pan gasket to maintain sufficient oil and prevent issues like overheating and wear.

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Oil Pan Plate

The Oil Pan Plate closes the oil pan, restricting engine oil flow to the pan’s oil cooler unless needed. Also called the oil pan restrictor plate, this part might be needed if your vehicle’s oil pan plate has begun leaking. Located at the bottom of the engine block, the oil pan plate seals the connection between the block and the oil pan. The engine relies on the oil pan plate to not only keep engine oil in the pan but to also reduce noise and vibration.

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Oil Pickup Tube

The Oil Pickup Tube is a component in an internal combustion engine’s lubrication system. It draws oil from the oil pan and delivers it to vital engine components. The oil pickup tube ensures the engine receives a steady supply of lubricating oil to help reduce friction, minimize wear, and prevent overheating.

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Oil Pick-up Tube Gasket

The Oil Pick-up Tube Gasket is a metal component that seals and cushions the area between the oil pick-up tube and other parts of the engine’s oil system. Typically, the gasket will sit between the oil pick-up tube and the oil pan sump or the oil galleys. This line connects to the oil pump and oil filter, which keep the engine lubricated with filtered oil. Without the gasket, the oil in the system can easily leak out.

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Oil Pressure Gauge

The Oil Pressure Gauge allows drivers to monitor the oil pressure in the engine and determine overall engine health. Adequate oil pressure is needed to ensure proper lubrication of engine components.

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Oil Pressure Gauge Sensor

The Oil Pressure Gauge Sensor is a component of the oil pressure gauge. It measures how much oil is left in the tank and the amount of oil pressure in a vehicle. The oil pressure gauge helps in monitoring the overall health of a vehicle’s engine. High oil pressure readings may lead to problems like overheating or engine failure.

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Oil Pressure Sender

The Oil Pressure Sender is a type of oil pressure sensor in the engine. Oil pressure senders convert pressure values into electrical signals. It sends data to the engine or machine controller where it is recorded for diagnostics purposes. It can typically be found in the bottom or on the side of an engine.

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Oil Pressure Sensor

The Oil Pressure Sensor, also known as the oil pressure sending unit or switch, is screwed into the engine block and grounds the electrical circuit to activate the oil warning light when it detects low oil pressure (3 to 7 psi). In some vehicles, a variable voltage oil pressure sensor may be installed instead of a simple pressure switch.

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Oil Pressure Sensor Connector

As its name suggests, the Oil Pressure Sensor Connector connects the oil pressure sensor to the engine’s oil pressure system. It helps the oil pressure sensor measure the oil pressure and provide continuous feedback to the engine’s powertrain control module (PCM) or instrument cluster. Oil pressure sensor connectors can vary in size, design, and material. Depending on your preference, you can buy a connector that includes the entire assembly or only purchase the housing.

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Oil Pressure Switch

The Oil Pressure Switch turns on a warning light or alarm whenever an engine’s oil pressure dips below a specified threshold. Oil pressure changes activate the switch’s diaphragm mechanism. When the oil pressure falls below a predetermined level, the switch completes an electrical circuit and triggers the correlating alarm or warning light. The oil pressure switch is connected to the oil pressure system near the oil filter or engine block.

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Oil Pressure Switch Connector

The Oil Pressure Switch Connector connects the oil pressure switch to the wiring harness that leads to the oil pressure warning light. This part might replace an old or damaged connector that causes problems with the oil pressure switch. Usually attached to the oil pressure switch in the engine’s oil circuit, the oil pressure switch connector carries the electrical signal. The oil pressure switch needs the connector to activate and deactivate the oil pressure warning light.

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Where Is the Oil Pressure Switch Located?

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Oil Pump

The Oil Pump directs oil through various parts of the engine, including bearings and pistons. It is typically found in the oil pan in the lower part of the engine.

Engine oil is important because it reduces friction between engine components and allows the motor to move with ease.

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Oil Pump Bolt

The Oil Pump Bolt is a small yet important part of the engine. It’s responsible for holding down the sprocket on the oil pump. Over time, the bolts can get loose and cause the sprocket to fall off. Oil pump bolts come in different sizes, but they’re typically made of high-quality steel. They can also differ in color, length, and thread size.

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Oil Pump Chain

The Oil Pump Chain is responsible for linking the camshaft and crankshaft. Over revving and using the wrong engine oil are common mistakes that can damage the oil pump chain.

Once this happens, the crankshaft and camshaft won’t be lubricated properly and the engine might not run at all.

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Oil Pump Chain Tensioner

The Oil Pump Chain Tensioner keeps the chain pump tight enough to function under normal operating conditions. It prevents the chains in the engine from coming off the sprockets, allowing the chains to synchronize the rotation of the camshaft and the crankshaft.

Oil pump chains widen and require tightening the more they’re used. Tensioners tighten these chains, securing them on the sprockets.

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Oil Pump Drive Gear

The Oil Pump Drive Gear is connected to the crankshaft. It’s a gear-type pump with two gears of the same size. The gear forces the oil out to lubricate engine components and prevent damage due to increased friction.

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Tips on Oil Pump Replacement

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Oil Pump Gasket

The Oil Pump Gasket is a seal that sits between the oil pump housing and the engine case, preventing oil from leaking from the engine. But over time, heat and thermal expansion can cause the gasket to wear, leading to an oil leak. Oil pump gaskets can vary in size, shape, and material, so it’s important to get one that fits your vehicle. You can get an oil pump gasket individually or as part of a kit that includes other tools necessary for installation.

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Oil Pump Hose

The oil pump hose is a section of piping that transfers oil between components like the oil pump, oil thermostat, oil tank, and oil cooler. Engine oil hoses are typically made from rubber, as this material can withstand high-temperature oil without degradation or contamination.

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Oil Pump Kit

An oil pump kit or coupling oil pump kit is a set of parts and consumables that service a multi-plate clutch system. This kit typically includes Haldex oil, which is used in differentials or clutches to promote friction between clutch plates. The oil pump kit can also include O-rings and oil caps to prevent the oil from leaking.

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DIY

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Oil Pump Nut

An oil pump nut secures the oil pump’s sprocket. This sprocket is spun by a chain that’s driven by the engine’s crankshaft. The engine continuously spins the sprocket and allows the oil pump to function. This nut is crucial. If it fails, the oil pump won’t receive power and it will deprive the engine of oil, resulting in overheating and engine damage.

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Oil Pump Primer

The Oil Pump Primer spins the oil pump to raise the oil pressure and move the oil to the engine’s top. This tool might be needed if you want to prime the oil pump before starting the engine. The oil pump primer helps lubricate the engine before starting the vehicle, ensuring the best possible operation, performance, and service life. The engine needs the oil pump primer to help protect rotating and valve train components from excessive damage and wear.

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Where is the Oil Pump Located?

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Oil Pump

Oil Pump Screen

The Oil Pump Screen acts as a filter that traps debris and helps the oil pump deliver clean oil throughout the system. It’s generally recommended to replace the screen when changing the oil pump to ensure that no debris can escape the filter and cause the pump to lock up.

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Oil Pump Seal

The Oil Pump Seal keeps contaminants from entering the oil pump. It also prevents oil leakage, which essentially prevents engine damage caused by poor lubrication.

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Oil Pump Shim

The Oil Pump Shim is a tool used to adjust the position of an oil pump in an engine. It can also be used to adjust the pressure of the oil pump, making it easier for the engine’s lubrication system to keep the engine operations smooth. Oil pump shims are primarily used to guarantee proper alignment and optimal oil pressure levels.

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Oil Pump Sleeve

The Oil Pump Sleeve supports and aligns the oil pump drive shaft by reducing friction between the shaft and its housing to ensure smooth operation and proper alignment. Oil pump sleeves are often made of plastic or metal.

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Tips on Oil Pump Replacement

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Oil Pump Solenoid

An Oil Pump Solenoid regulates oil pressure in a mechanical engine oil pump. The solenoid is a two-port component controlled by the powertrain control module (PCM). The PCM operates the solenoid accordingly, relying on inputs such as engine speed, engine load, and oil coolant temperature, among others.

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Oil Pump Vacuum Line

The Oil Pump Vacuum Line, also known as the oil pump vacuum hose, is the part of the oil pump that circulates engine oil throughout a vehicle’s engine.

The oil pump lubricates all the moving parts of the engine, reducing friction to maximize both the engine’s performance and longevity. The vacuum line itself is the hose that transports oil throughout the engine.

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Oil Return Tube

The oil return tube removes lubricant from the turbo and redirects it to the oil pan.

A clogged oil return line will cause engine oil pressure to force oil past the turbocharger’s shaft rings, eventually reaching the intake and exhaust manifolds.

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Bad Oil Cooler Line Symptoms

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Oil Strainer

The Oil Strainer is a wire mesh screen attached to the oil pump inlet. It prevents much of the dirt and grit in the oil from flowing through to the rest of the engine. It keeps impurities at the top of the crankcase, lowering the risk of clogging the trainer screen. Strainers also have a bypass that reroutes the oil when the oil strainer’s screen is clogged. Oil strainers are made from mesh or porous material to allow the oil to flow through without much obstruction.

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Oil Sump Gasket

The oil sump gasket or oil pan gasket is a seal that prevents oil from leaking between the gap between the engine block and the oil pan. The oil pan is a container underneath the engine, which is a basin where oil falls and accumulates after being pushed through the engine. The gasket is made to withstand high-temperature oil, but like most gaskets, oil sump gaskets can crack and leak over time.

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Oil Sump Plate

An Oil Sump Plate is essentially an oil pan that serves as a reservoir pan for motor oil. Most oil sump plates are made from steel or aluminum and big enough to hold approximately four to six quarts of oil.

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Oil Temperature Gauge

An Oil Temperature Gauge monitors the temperature of the oil to ensure it stays within a safe operating range and maintains engine performance and longevity. There are two types of gauges, namely mechanical and electrical gauges.

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Oil Temperature Sensor

The Oil Temperature Sensor monitors the oil temperature in the engine. In most cases, oil temperature readings are displayed on the dashboard via an oil temperature gauge.

A faulty oil temperature sensor can’t inform the powertrain control module if the engine is overheating, which can result in major engine damage.

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Oil Thermostat

The Oil Thermostat is responsible for regulating the temperature of engine oil. Engine oil must remain at a consistent temperature to ensure optimal engine performance and longevity. If the sensors detect that the engine oil is too hot, the oil is diverted to the oil cooler to prevent the engine from overheating. On the other hand, if the engine oil is too cold, the oil is not diverted to the oil cooler.

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Output Shaft

The Output Shaft connects the transmission to the axles and drive wheels, facilitating torque movement from the engine to the wheels. This part might be needed to replace a bad output shaft that causes problems like too much noise or vibration. Located on the driveshaft’s end, the output shaft helps ensure the wheels spin at a controlled and safe speed. The transmission needs the output shaft to transfer power to the wheels efficiently.

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Output Shaft Bearing

An Output Shaft Bearing is a component that supports the output shaft by securing it in place within the transfer case or transmission. It also prevents the shaft from wobbling when it rotates to ensure smooth and efficient power transfer.

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Drivetrain

Driveshaft Bearing: Definition, Importance, and Other Related FAQs

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Output Shaft Seal

The Output Shaft Seal is a type of gasket that prevents fluid from leaking whenever the driveshaft yoke slips into the transmission. It’s also known as the rear transmission seal or driveshaft seal. Output shaft seals have a tiny spring in the inner diameter that keeps the seal secured snugly against the driveshaft. They can vary in size, but most output shaft seals are made of rubber and plastic. Some output shaft seals are also reinforced with steel.

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Overdrive Kickdown Switch

The Overdrive Kickdown Switch is the component responsible for managing the transition between overdrive and other lower gears. It completes the circuit on the lower terminals, which grounds the coil and the overdrive solenoid. This leads to the disengagement of the overdrive, which will only re-engage when the gas pedal is released. It is typically found underneath the gas pedal

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Overdrive Relay

Overdrive is a transmission setting that lowers engine RPM, makes the engine more fuel-efficient, and quieter when cruising on the highway. The overdrive relay is an electronically controlled switch that controls your vehicle’s overdrive setting. There are situations when you’ll need to switch overdrive on and off through a button on the dashboard or shifter. This button sends a signal to the overdrive relay and tells the automatic transmission to switch to or from overdrive.

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Electrical

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Overdrive Solenoid O-Ring

The overdrive solenoid O-ring is a gasket that helps seal the automatic transmission’s governor cover. This part might be needed if the current or factory-issue overdrive solenoid O-ring requires replacement after wearing out or failing. Overdrive solenoid O-rings fit between the governor and its cover and help maintain the correct hydraulic pressure in the automatic transmission. The governor needs the overdrive solenoid O-ring to shift between gears smoothly, improving the vehicle’s road handling.

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A Short Course on Automatic Transmissions

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Overdrive Switch

The Overdrive Switch is a switch that allows the driver to operate a vehicle’s overdrive feature, which reduces an engine’s revolutions per minute (RPMs) at higher speeds. Overdrive switches are typically mounted on or around the shifter. Turning the overdrive on will illuminate the corresponding overdrive indicator light in the gauge cluster. In newer vehicles, you don’t have to press the overdrive switch to turn it on. The powertrain control module (PCM) will automatically engage the overdrive function.

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When Should You Use Overdrive? A Quick Guide

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Overhead Console

The Overhead Console is a panel inside the vehicle’s cabin that controls various features such as dome lights, courtesy lights, and windows. Some even control side mirror positions. The overhead console is located on the vehicle’s ceiling. This provides easy access to all the controls on the console. Some overhead consoles also provide a bit of storage space for maps, sunglasses, and so on. Overhead console controls and designs differ depending on the vehicle’s make and model.

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Overhead Sunglasses Holder

An Overhead Sunglasses Holder is a storage component located in the vehicle’s overhead console. It’s designed to securely hold sunglasses, keeping them accessible and preventing them from getting damaged.

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Accessories

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Overload Protection Relay

The Overload Protection Relay is a safety device used to prevent electrical components from getting overloaded. It is designed to break the circuit if the electrical current exceeds a set limit. This reduces the risk of components overheating and getting damaged from excessive electrical load.

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Electrical System

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Overload Relay

The Overload Relay is a protective, electrically operated switch. It prevents damage from reaching the rest of a vehicle’s electrical system every time one of its electrical motors overloads. An overload relay typically connects to a contactor in case the motor draws excess current and threatens the windings via overheating.

Overload relays are usually found within the motor starter. When the overload relay triggers, it interrupts the motor’s control circuit, stopping the electrical energy. Overload relays can be reset automatically or manually.

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Electrical

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Oxygen Sensor Bung Kit

Oxygen sensor bung kits ensure the oxygen sensor located in the exhaust system won’t be affected by moisture, which can affect the oxygen’s sensor’s lifespan. The oxygen sensor mounting bung is composed of a threaded fixture and sometimes a spacer mounted on an exhaust pipe.

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Exhaust System

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Oxygen Sensor Cable

The Oxygen Sensor Cable is a wire that connects the O2 sensor to an oxygen analyzer or another device that measures oxygen concentrations. This part might be needed to replace a bad cable that doesn’t transmit the oxygen sensor readings. Oxygen sensor cables are mounted between the oxygen sensors and oxygen analyzers in the exhaust system. The powertrain control module adjusts various factors based on the information carried by the oxygen sensor cable.

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Exhaust System

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Oxygen Sensor Connector

The Oxygen Sensor Connector, or O2 sensor connector for short, is a type of connector that helps power the oxygen sensor, which helps measure the fuel mixture in the engine. The O2 sensor connector allows the sensor to monitor how much unburned oxygen is left in the exhaust. In some vehicles, the O2 sensor uses the O2 sensor connector to collect reference air. The air passes through the connector and down the signal wire to the O2 sensor.

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