For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

California Proposition 65 WarningSpeaker Replacement Reference
Speaker Replacement Reference
Component
Repair Instruction
Front Door Speaker
Radio Front Side Door Speaker Replacement
Front Tweeter Speaker
Radio Windshield Side Garnish Molding Speaker
...
Roof Rail Rear Assist Handle Replacement
Roof Rail Rear Assist Handle Replacement
Callout
Component Name
1
Roof Rail Rear Assist Handle Fastener (Qty:?€‰2)
Caution: Refer to Fastener Caution.
Procedure
Fold the assist handle downward an ...
Generator Pulley Replacement (LUV)
Generator Pulley Replacement
Callout
Component Name
Preliminary Procedure
Remove the generator. Refer to Generator Replacement.
1
Generator Pulley Nut Cap
2
Generator Pul ...