Standard Size Pistons for 3.8 L32 Engine - Are Not Available - kw consumption contamination crankdetonation DTC knock L32 light low misfire MIL no noise number oil overheat part performance piston

When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.

2004 3.8L L32 Supercharge engine needing a standard size piston for service are not available from GMSPO.

The service piston from GMSPO that can be order is part number 12539085 (standard size piston). This standard size piston comes with the piston pin and pin retaining clips.

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Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance. This diagnostic approach was developed for the vehicle with the VIN you entered and should not be automatically be used for other vehicles with similar symptoms.

(2004 Pontiac Grand Prix)

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