AC Delco O2 sensor part # question - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-19-2003, 02:04 PM   #1
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Default AC Delco O2 sensor part # question

Can anyone tell me if the AC Delco O2 sensor #AFS16P is the same as the #AFS20 and will work fine on a '92 SSEi or '93 SSEi?
I saw the list posted in the techinfo section, but there'* no mention of the AFS16P.

Thanks.
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Old 03-19-2003, 02:18 PM   #2
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Hey Bill. Bill here. Sorry. Had to do it.

Your part number is 25162693, but make sure you have a 1-wire sensor like me. That'* the same sensor I put in mine. Confirmed.
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Old 03-19-2003, 02:31 PM   #3
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Thanks, Bill, but I already knew the GM part number.
The problem is that the "AFS" #* are the ones on the actual AC Delco part packages. I wasn't able to find any cross-references to these "AFS" #* anywhere.

Any ideas where/how I can verify them?
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Old 03-19-2003, 04:19 PM   #4
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Jr did all the research on the O2'*. I'm not sure where he found it all, but it was on the web and he was able to cross gm to delco.

Jr!
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Old 03-19-2003, 05:24 PM   #5
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Quote:
Originally Posted by willwren
Jr did all the research on the O2'*. I'm not sure where he found it all, but it was on the web and he was able to cross gm to delco.

Jr!
If it helps, I'm about to go find a new Delco single-wire sensor for my '93 SSEi, so I'll post whatever info I see on the box once I've got it...
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Old 03-19-2003, 05:39 PM   #6
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Thanks, that might help.
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Old 03-19-2003, 07:40 PM   #7
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I have a new GM O2 sensor for a 93 SSEi,and on the plastic bag it has acd# AFS-20 and GM# 25162693.
Keith
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Old 03-19-2003, 07:43 PM   #8
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Thanks for that info...oddly enough, I called a local Pontiac dealer, and according to the parts rep, the AFS20 was only for the '88-'92 Bonneville. He didn't offer any info about the other years.

So the question remains whether or not the AFS20 and the AFS16P are interchangeable.
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Old 03-20-2003, 01:22 AM   #9
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My SC has a single unheated.
Josh'* NA (also a 93) uses a heated. Looks like the SSEi and the SC SSE use the single unheated.
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Old 03-20-2003, 10:59 AM   #10
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Thanks, guys, yes mine has the 1-wire sensor, but I have an opportunity to buy a couple of AFS16P sensors and save some money, and I was hoping to be able to confirm that they're interchangeable - the vendor said they are, according to Delco.

I don't want to buy them and install and find that I get 16 MPG like I do now in the '93 with a brand new Bosch sensor...
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