ACDelco AFS21 GM Original Equipment Oxygen Sensor

Analyzed on

849Total Reviews

Oxygen

C

Company Review Grade:

ACDelco

1,618 Total Products

ACDelco AFS21 GM Original Equipment Oxygen Sensor

Analyzed on

Sold by ACDelco

D

Fakespot review grade

D

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Pros & Cons

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Pros

Replaced 30y old sensor on 1986 s10 2. L. Fit perfect into the original connector and dorman aftermarket exhaust manifold. Direct fit for a 1991 gmc k1500 with 4. Ac delco oem parr’s are the best. The sensor is about 3/4 inch longer than the original,... Read More

Cons

Does not fit a 1993 chevy c1500 v6 4. Wrong part, wrong plug.

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Highlights

The AI used to provide these results are constantly improving. These results might change.

Quality

Fast delivery, form, fit and function all good.

I went with the oem replacement oxygen sensor from ac delco for my 1993 k1500 5.

Price

Great price, installed easy and it has a bit of anti-seize already on the threads.

Competitiveness

Genuine gm product,just installed it we will see

Direct fit for a 1991 gmc k1500 with 4.

Truck went from surging and laggy throttle response to being a ripper.

Overview

How are reviewers describing this item?
fit, great, good, old and original.

Our engine has profiled the reviewer patterns and has determined that there is high deception involved.

Our engine has analyzed and discovered that 58.7% of the reviews are reliable.

This product had a total of 849 reviews as of our last analysis date on Sep 17 2022.