Genuine GM Engine Control Module Assembly 12704476

Cancellation Policy. We cannot take back installed or tried parts. We cannot take back used parts. In the unlikely event that a part has been placed on backorder or discontinued, we will do our best to try and find one for you as quickly as possible.

Genuine GM Engine Control Module Assembly 12704477

Cancellation Policy. We cannot take back installed or tried parts. We cannot take back used parts. In the unlikely event that a part has been placed on backorder or discontinued, we will do our best to try and find one for you as quickly as possible.