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Old 04-02-2008, 08:16 PM   #1
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Default 92 O2 sensor number?

I looked at Rock Auto and ACDelco, they both showed AFS20, AFS21, and AFS22 as the right one. I gotta choose just one. Our techinfo shows:

GM Part # 25162693( Rock Auto 32.79, GMPD 30.73 )
That one is AFS20. Is that right?
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Old 04-03-2008, 03:03 AM   #2
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When I bought my 93, it appeared that the previous owner had the car dealer serviced - with everything genuine GM even down to the new, numbered Packard spark plug wires.
The O2 sensor that was on it was AFS20.

I inadvertently bought a replacement AFS21 without looking at the one that was on there.
As far as I can tell the AFS21 seems to be working fine.

Looking for the correct O2 sensor part number
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