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 WarningFront Bumper Impact Bar Lower Bracket Replacement
Front Bumper Impact Bar Lower Bracket Replacement
Callout
Component Name
Preliminary Procedure
Remove the front bumper opening cover. Refer to Front Bumper Fascia Opening
Lower Cover Replacement.
1
...
Front Side Door Adjustment
Front Side Door Adjustment
Callout
Component Name
Preliminary Procedure
Remove the front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement.
1
Front Side Door
Caution: Refer to ...
Engine Mount Bracket Replacement
Engine Mount Bracket Replacement
Callout
Component Name
Preliminary Procedure
Remove the engine mount. Refer to Engine Mount Replacement.
1
Engine Mount Bracket Bolt (Qty: 3)
Cau ...