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Front Right Door Lock Actuator
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OEM numbers, and community knowledge...
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Wiki page
5.7L V8 Naturally Aspirated LS1 (350hp).
Quick reference
Left-hand (25664287) and right-hand (25664288) actuators are mirror images and not interchangeable
Verify 5-pin electrical connector; some early production 1997 models may have different pin configurations
Aftermarket replacements may require washer shims due to varied mounting bracket geometries
Context
When harvesting a door lock actuator for your 2002 Chevrolet Corvette from the C5 generation (1997-2004), target GM part number 25664288 for the front right (passenger) side, while 25664287 serves the driver side. These units interchange across all C5 model years regardless of LS1 or LS6 engine designation. At the junkyard, verify functionality by applying 12V directly to the connector pins—listen for smooth motor operation without grinding. Inspect the white nylon gear housing for cracks, as this is the primary failure point. Installation requires drilling out the factory rivets securing the actuator to the door shell; replace with grade-5 bolts and lock nuts. The electrical connector remained unchanged throughout the production run, though early 1997-1998 models may have different wire color coding. Always test the integrated door ajar switch during removal, as these sensors frequently corrode in high-humidity climates.
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Confirmed fitment
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 2002 | Chevrolet | Corvette | 5.7L V8 Naturally Aspirated LS1 (350hp) | 80% |
Available parts

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