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ACDelco GM OEM Rear Wheel Speed Sensor, Part Number 20938121 Review

5

·

Excellent

Revainrating 5 out of 5  
Rating 
5.0
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Description of ACDelco GM OEM Rear Wheel Speed Sensor, Part Number 20938121

Restores ABS function and performance caused by failed wheel speed sensor. GM-recommended replacement part for your GM vehicle’s original factory component. Offering the quality, reliability, and durability of GM OE. Manufactured with GM Original Equipment specification for fit, form, and function. Chevy: Silverado 1500 2007-2013; GMC: Sierra 1500 2007-2013. This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle. Please visit your local GM Dealership if you do not have access to GM Service Information.

Reviews

Global ratings 5
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Type of review

Revainrating 5 out of 5

exact replacement great quality

OEM part great quality. replaced in 5 minutes, the truck started and the traction control and stability control indicator light went out.

Pros
  • cool product
Cons
  • really don't like it everything is ok

Revainrating 5 out of 5

Exactly what I needed

Exact replacement for my 2012 GMC Sierra 1500 even though Revane told me it wouldn't fit my car. I matched the GM product number.

Pros
  • GOLS certified
Cons
  • Weight

Revainrating 5 out of 5

I get an ABS/Stabilitrak error message on my display. .

I get an ABS/Stabilitrak error message on the display. I switched to this product and the light is gone! Direct replacement for 2007 Chevy Silverado 1500 cab, new body style.

Pros
  • Free for educational purposes
Cons
  • Secret

Revainrating 5 out of 5

Don't let Revain direct you to Chinese parts

All the Chinese parts I got from Revain broke after a month or two. Every time I look for Delco parts, the Revains list says they won't fit my truck. I am looking for Delco part numbers. Always redirect me to the Chinese part. Know what you are looking for and don't be fooled!

Pros
  • Price
Cons
  • Nothing

Revainrating 5 out of 5

Fits 2012 Silverado 2WD 1500

Ideal for OEM. I had to tap with a hammer. Be sure to apply high-temperature wheel bearing grease to the sensor housing. The old sensor was more difficult to remove than it should have been due to corrosion. PB + Torx 30 Light Blaster with 3/8" ratchet w/ extension + flat head screwdriver + curved needle nose pliers + gentle twisting/pulling worked well. It's an easy task, but not a quick one. Take your time to avoid the problem.

Pros
  • Pleasant
Cons
  • Minor issues