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Hi Guys. Can someone tell me the AC Delco part number for an O/2 sensor for my 1986 cutlass supreme 307 engine? Also the best place to buy it. Thanx in advance. Ed
rock auto shows 2 0r 3 an upstream and upstream (not a misprint on my part LOL)
ACDELCO 2131165 {#88929592} Professional
ACDELCO AFS21 {Click Info Link for Alternate/OEM Part Numbers} GM Original Equipment Info
Fits Upstream; IN EXH MANIFOLD/CROSSOVER)(TYPE # 20)(1 WIRE
Or Upstream; IN EXH MANIFOLD/CROSSOVER)(1 WIRE
