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AC Delco® AFS21 GM Original Equipment Series Oxygen Sensor, Sold individually 1-wire

Manufacturer #AFS21

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AFS21 GM Original Equipment Series Oxygen Sensor, Sold individually 1-wire
AFS21 GM Original Equipment Series Oxygen Sensor, Sold individually 1-wire

AC Delco® AFS21 GM Original Equipment Series Oxygen Sensor, Sold individually 1-wire

Manufacturer #AFS21

|
$44.99

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Return Policy

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Warranty Policy

Right parts, guaranteed. If you find any defects, simply notify us within the warranty period, and we’ll take care of it. Check out our Warranty Policy for more details.

AC Delco®Oxygen Sensor, Sold Individually, 4-Wire, 2.4L, 4Cyl, Gm Original Equipment Series
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95
Oxygen Sensor, Sold Individually, 4-Wire, 2.4L, 4Cyl, Gm Original Equipment Series
5.0/5
Perfect fit
DM
Posted by Don M. / Sat, Nov 08
OEM is always bestOxygen Sensor, Sold Individually, 4-Wire, 2.4L, 4Cyl, Gm Original Equipment Series
5.0/5
Excellent quality and easy to install. Factory equivalent!
SF
Posted by Shane F. / Wed, Oct 22
Oxygen Sensor, Sold Individually, 4-Wire, 2.4L, 4Cyl, Gm Original Equipment Series
5.0/5
Same as original part 👍
RH
Posted by Roland H. / Wed, Jul 23
Love this O2 sensor performanceOxygen Sensor, Sold Individually, 4-Wire, 2.4L, 4Cyl, Gm Original Equipment Series
5.0/5
Great quality, fast installation with precision fit, performance is as it was a new again now and last but least no more service engine light.
DC
Posted by Dwayne C. / Fri, Jul 11
Oxygen Sensor, Sold Individually, 4-Wire, 2.4L, 4Cyl, Gm Original Equipment Series
5.0/5
easy to install. worked great
RS
Posted by Rene S. / Sat, Jun 14
Showing 1 - 5 of 59 Reviews

Have a question about this product?Ask here. Our team of experts will assist you along with your fellow CarParts.com community members. Please add your vehicle information including year, make, model to better assist you.
Question: How difficult is it to install? 94 gmc 5.7 1/2 tonMichael R. / Jul 08, 2021
Hi Michael, I'm glad to help you out. It's fairly easy to install. Use the link below to order the part and get a 30-day price match guarantee. I'll also include a link to a video that can help you out. I hope this helps. Happy shopping. Order link: https://www.carparts.com/oxygen-sensor/ac-delco/acafs21?can=cpab2020 Video: https://www.youtube.com/watch?v=XhIECVL-WUs&ab_channel=GhettoWagon
AB
Staff
Answered by Andrew B. / Thu, Jul 08
Well it's not that hard to do. You will need a oxygen sensor tool. You can buy or rent one at parts store. You will have to jack up truck and crawl under .bank one is on passenger side.sensor 1 is before catalytic converter sensor 2 after catalytic converter
RM
Answered by Robert M. / Thu, Jul 08
Showing 1 - 1 of 1 Questions
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