O2 Sensor Interchange
11-06-2006, 09:09 PM
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Staging Lane
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O2 Sensor Interchange I have a 2001 5.3 engine and the stock o2 sensors are GM part #1256943, but I have a new set of #12533817 rear o2 sensors. I can change the plug on the end od the sensor, but can they interchange and run correctly 
? I know some of the ls1 front/rear o2 sensors interchange easily.
? I know some of the ls1 front/rear o2 sensors interchange easily. 
