ac delco o2 sensors
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ok my question was, if i need to replace all 4 sensors, is there a part # each, or does each side have a part #, meaning the passenger side sensors have 1 part #, and the driver side have another
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NGK/NTK:
- fbody front right: 21528
- fbody rear and front left: 21544
- C5 front: 21006
- C5 rear: 21537
Denso:
- fbody front right: 234-4087
- fbody rear and front left: 234-4025
- C5 front: 234-4012
- C5 rear: 234-4617
AC:
- fbody front right: 25312196
- fbody rear and front left: 25312197
- C5 front: 25312184
- C5 rear: 25317697
- fbody front right: 21528
- fbody rear and front left: 21544
- C5 front: 21006
- C5 rear: 21537
Denso:
- fbody front right: 234-4087
- fbody rear and front left: 234-4025
- C5 front: 234-4012
- C5 rear: 234-4617
AC:
- fbody front right: 25312196
- fbody rear and front left: 25312197
- C5 front: 25312184
- C5 rear: 25317697