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Select your vehicle
Vehicle Info Required to Guarantee FitAdd Vehicle

Before Catalytic Converter Oxygen Sensors, 4-wire, Rear Wheel Drive

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$216.05Save: $101.06(47%)
Manufacturer #SET-REPF960902-4
Vehicle Info Required to Guarantee FitAdd Vehicle

Included in This Kit

Replaces OE Number
Oxygen Sensor


Before And After Catalytic Converter
(4) Oxygen Sensors
Quantity Sold:
Set of 4
Product Fit:
Direct Fit
Thread Size:
M18-1.5 Thread Size
Mounting Style:
Threaded-in Mounting Style
Hex Size:
7/8 in. Hex Size
Interchange Part Number:
Connector Gender:
Male Connector
1-year DriveWire unlimited-mileage warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical 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.

Returns Policy:
60-Day Return Policy

Vehicle Fitment Information

Vehicle Name
Fitment Information
1999 Ford Explorer
6 Cyl 4.0L
Engine Vin: X
1999 Mazda B3000
6 Cyl 3.0L
1999-2000 Ford Explorer
6 Cyl 4.0L
Engine Vin: X
1999-2000 Ford Explorer
6 Cyl 4.0L
Engine Vin: X
1999-2000 Ford Explorer
8 Cyl 5.0L
Page 1 of 27 | Showing 1 - 5 of 131 results

Product Information


No matter where the road leads you, DriveWire oxygen sensors are along for the ride, providing reliable feedback to your vehicle’s onboard control system.

Features & Benefits:

Plug-and-Play Installation

  • For a perfect fit and easy installation, each sensor’s wiring, harness, and connector are made to factory specifications.

Hardwearing Shell

  • Exterior shell protects against silica deposits and other contaminants to promote longevity.   

Quick Response Rate

  • Embedded zirconia amplifies sensor responsiveness to changes in the engine’s air-fuel ratio.

Extended Service Life

  • An extensive development process and advanced manufacturing procedures ensure that DriveWire oxygen sensors are built to last.
Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Product Q&A

P0420 Catalyst System efficiency below Threshold  (Bank 1) what do I need to buy?Oscar W.Aug 13, 2020
Before and after all 4 sensors are the  same ,can be use up or down?A shopperAug 19, 2020
Best Answer:Hi, Yes, on this 4-piece set of O2 sensors, they are all interchangeable.
Arnel E.STAFFAug 19, 2020
Is this for both banks?Gary S.Mar 22, 2022
Best Answer:Hi Gary, thank you for reaching out. Yes, this kit is for both banks. You can use the link below to order the set and take advantage of the current sale price. <a href="https://www.carparts.com/oxygen-sensor/drivewire/set-repf960902-4?can=cpab2020_20220322" target="_blank">https://www.carparts.com/oxygen-sensor/drivewire/set-repf960902-4?can=cpab2020_20220322</a>
Andrew B.STAFFMar 22, 2022
Do you have upstream & downstream for the same price ?JuniorJan 26, 2023
Best Answer:Hi Edward, I'm pleased to assist you. These oxygen sensors can be used upstream and downstream. While supplies last, click on the link below to place an order at a discounted price (the percentage of savings is indicated beside the advertised price). I hope this is helpful. Enjoy your CP shopping experience! <a href="https://www.carparts.com/oxygen-sensor/drivewire/set-repf960902-4?can=CPGG4850_CSQA_20230126" target="_blank">https://www.carparts.com/oxygen-sensor/drivewire/set-repf960902-4?can=CPGG4850_CSQA_20230126</a>
Grace G.STAFFJan 27, 2023
Are these upstream or downstream or both? Can they also be used below the catalytic converter?  Because I have 3- O2 sensor on my 2002 Ford ranger XLT 3.0LV6 vin# ends in a U automatic truck.Terry H.Apr 04, 2022
Best Answer:Hi Terry, I'm happy to assist you. This item is a set of upstream oxygen sensors for the 2002 Ford Ranger XLT with a 3.0 liter engine. You can use this link to go back to the item page and continue the order: <a href="https://www.carparts.com/oxygen-sensor/drivewire/set-repf960902-4?can=CPAP3648_20220404" target="_blank">https://www.carparts.com/oxygen-sensor/drivewire/set-repf960902-4?can=CPAP3648_20220404</a> I hope this helps. Enjoy shopping at <a href="http://Carparts.com" target="_blank">Carparts.com!</a>
Aldrin P.STAFFApr 04, 2022

Customer Reviews

First time buyer good prices well described items I will buy again
Angel F.
Purchased on May 31, 2020
Couldn’t be happier with these. I could only find one O2 sensor for this price and to come here and find all 4! Never shopping anywhere else for parts.
Marc S.
Purchased on Aug 15, 2022
They're fine but I used motorcraft
James R. C.
Purchased on Sep 30, 2019