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4WD Actuator - Direct Fit, Sold individually
Part Number: REPF288303
0 Reviews
Vehicle Info Required to Guarantee Fit
$58.49
Product Details
Warranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

4WD Actuator - Direct Fit, Set of 2
Part Number: SET-REPF288303-2
0 Reviews
Vehicle Info Required to Guarantee Fit
$108.99
Product Details
Components : (2) 4WD ActuatorsWarranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Set of 2Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

4WD Actuator - Direct Fit, Sold individually
Part Number: RC32400002
0 Reviews
Vehicle Info Required to Guarantee Fit
$52.49
Product Details
Notes : Blade type; With 4-prong male terminalWarranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

4WD Actuator - Direct Fit, Sold individually
Part Number: RC32400003
0 Reviews
Vehicle Info Required to Guarantee Fit
$296.50
Product Details
Notes : 4WD Axle Disconnect; 8-bolt holeWarranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

4WD Actuator - Direct Fit, Set of 2
Part Number: SET-RC32400002-2
0 Reviews
Vehicle Info Required to Guarantee Fit
$332.99
Product Details
Components : (2) 4WD ActuatorsWarranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Set of 2Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

4WD Actuator - Direct Fit, Sold individually
Part Number: ARBC288301
0 Reviews
Vehicle Info Required to Guarantee Fit
$43.99
Product Details
Notes : Pin type; With 2-prong male terminalWarranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

4WD Actuator - Direct Fit, Sold individually
Part Number: RC32400001
0 Reviews
Vehicle Info Required to Guarantee Fit
$44.99
Product Details
Notes : Blade type; With 5-prong male terminalWarranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

4WD Actuator - Direct Fit, Sold individually
Part Number: REPF288301
0 Reviews
Vehicle Info Required to Guarantee Fit
$24.99
Product Details
Notes : 18.2 mm Wide; Node at 9:00 position; Blade type; With 2-prong male terminalWarranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

4WD Actuator - Direct Fit, Sold individually
Part Number: REPG288301
0 Reviews
Vehicle Info Required to Guarantee Fit
$21.99
Product Details
Warranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

600-105 4WD Actuator - Direct Fit, Sold individually
Part Number: RB600105
0 Reviews
Vehicle Info Required to Guarantee Fit
$93.45
Product Details
Notes : Wiring harness not includedWarranty : Lifetime Dorman limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

SET-RB600105 4WD Actuator - Direct Fit, Set of 2
Part Number: SET-RB600105
0 Reviews
Vehicle Info Required to Guarantee Fit
$183.99
Product Details
Notes : Kit components - 2 4WD Actuator; Wiring harness not includedWarranty : Lifetime Dorman limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Set of 2Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

600-100 4WD Actuator - Direct Fit, Sold individually
Part Number: RB600100
0 Reviews
Vehicle Info Required to Guarantee Fit
$73.95
Product Details
Warranty : Lifetime Dorman limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

600-101 4WD Actuator - Direct Fit, Sold individually
Part Number: RB600101
0 Reviews
Vehicle Info Required to Guarantee Fit
$81.95
Product Details
Notes : For transfer caseWarranty : Lifetime Dorman limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

600-102 4WD Actuator - Direct Fit, Sold individually
Part Number: RB600102
0 Reviews
Vehicle Info Required to Guarantee Fit
$60.95
Product Details
Warranty : Lifetime Dorman limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

600-103 4WD Actuator - Direct Fit, Sold individually
Part Number: RB600103
0 Reviews
Vehicle Info Required to Guarantee Fit
$80.25
Product Details
Warranty : Lifetime Dorman limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Page 1 of 4 | Showing 1 - 15 of 46 results

4WD Actuator Makes

Jeep 4WD Actuator

4WD Actuator Guides

4WD Actuator Buyer's Guide

Summary

  • A 4-wheel drive actuator is a device that allows you to automatically switch between two-wheel and four-wheel drive.
  • This switch is installed on the front axle tube or on the differential housing.
  • Inside the actuator is a shift fork that locks the gears and driveshafts together, allowing the transfer case to split power between the front and rear differentials 50-50.
  • Before the time of automatic actuators, drivers had to step out of the vehicle to pull a lever that manually locks the front wheels to the front half-shafts, driveshaft, and differential.
  • Today, drivers may switch from two-wheel to four-wheel drive by turning a knob or pressing a button on the dashboard.
  • There are three types of 4WD actuators based on the mechanism that activates the fork inside the device. These are vacuum, thermal, and electrically operated 4WD actuators.
  • The most common 4WD actuator problems are vacuum leaks, mechanical failure, and electrical failure.
  • The cost of a 4WD actuator varies between different makes and models. An OE replacement 4WD actuator can cost as low as $40 for an individual piece. This part is also sold in sets of two priced anywhere between $100 to $400.

What Is a 4WD Actuator?

A 4-wheel drive actuator is a device that allows you to automatically switch between two-wheel and four-wheel drive. It is usually seen in trucks and SUVs with part-time 4WD systems. Also known as a front axle actuator, this component activates the mechanisms which allow torque to be applied to the front wheels, so they spin at the same speed as the rear wheels when needed.

This switch is installed on the front axle tube or on the differential housing. Inside the actuator is a shift fork that locks the gears and driveshafts together, allowing the transfer case to split power between the front and rear differentials 50-50.

How Does a 4WD Actuator Work?

To understand the purpose of a 4 wheel drive actuator, let’s do a quick review of how a part-time 4WD system works.

When automakers refer to a vehicle that has four-wheel drive, they are usually talking about a part-time 4WD system. Vehicles with a part-time 4WD system may switch between two-wheel-drive or four-wheel-drive as their driving conditions change.

On dry and paved roads, a vehicle with a part-time 4WD system is designed to operate in two-wheel-drive. In this mode, 100% of the torque from the transmission is applied to the rear wheels because the driving conditions provide enough traction to ensure vehicle movement.

The driver must switch to four-wheel-drive to utilize traction from all four wheels while driving in deep snow, over streams, or up muddy hills. This will send power to the front wheels and prevent the rear tires from spinning endlessly while the vehicle remains stuck because of low-traction conditions.

Before the time of automatic actuators, drivers had to step out of the vehicle to pull a lever that manually locks the front wheels to the front half-shafts, driveshaft, and differential. Today, drivers may switch from two-wheel to four-wheel drive by turning a knob or pressing a button on the dashboard.

Modern 4WD systems use a motorized actuator to engage the transfer case. This essentially locks the series of gears and chains that connect the front-axle driveshaft to the front differential, enabling the transfer case to transfer torque to both front and rear wheels. The actuator also sends a signal which activates the 4WD light on the instrument panel on the dashboard.

Types of 4WD Actuators

There are three types of 4WD actuators based on the mechanism which activates the fork inside the device. These are vacuum, thermal, and electrically operated 4WD actuators.

Vacuum-Operated Actuator

This type of 4WD actuator has a diaphragm inside the device which uses vacuum pressure to engage secondary mechanisms.

Thermal-Type Actuator

A thermal actuator is a type of switch that is anywhere between a couple of seconds to a minute to warm up and reach its operating temperature. In some cases, the actuator will fail to engage if temperatures are too low or if the front axle is submerged in cold water.

Electric Actuator

Fully electric 4WD actuators engage the front axle immediately without having to warm up.

Common 4-Wheel Drive Actuator Problems

Vacuum Leaks

Vacuum hoses connected to the 4WD actuator can become cracked and leak over time. Heat and chemical damage may also cause the material to deteriorate.

Electrical Failure

The location of the actuator exposes it to extreme heat, road chemicals, and debris which could cause electrical connections to corrode or fail.

Mechanical Failure

The mechanical components of a 4WD actuator like the shift fork and shift cable may wear out over time. These parts are also prone to sticking, especially if four-wheel-drive has not been activated in the vehicle for a long time. 

How to Tell if a 4WD Actuator Is Bad

A bad 4WD actuator will prevent your vehicle from switching from two-wheel to four-wheel drive. In most cases, the PCM will detect the problem and log a diagnostic trouble code. When this happens, your vehicle’s Check Engine Light will be illuminated, and you’ll need to connect your vehicle to an OBD-II scan tool to retrieve the trouble code.

The steps and tools needed for the diagnosis and repair of 4WD actuators will also depend on which type is installed on your vehicle. The location of this part also makes it difficult to access for people with limited tools and automotive knowledge. For an accurate diagnosis, it is best to take your vehicle to a trusted auto repair shop and have a licensed mechanic check it for you. 

How Much Does It Cost to Replace a 4WD Actuator? 

The cost of a 4WD actuator varies between different makes and models. An OE replacement 4WD actuator can cost as low as $40 for an individual piece. This part is also sold in sets of two priced anywhere between $100 to $400.

Finding the Right Fit

CarParts.com carries a wide selection of 4WD actuators for all types of vehicles. Our catalog was handpicked by industry professionals who understand the importance of using only high-quality replacement parts. Start your search today by plugging in your vehicle’s correct year, make, and model into our website’s built-in vehicle selector.

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