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:

Vehicle Care
California Proposition 65 WarningInstallation Procedure
Prepare all mating surfaces as necessary.
Align the front hinge pillar body reinforcement.
Drill 8 mm (5/16 in) for plug welding along the edges of the front hinge
pillar body as noted from the original
panel.
Clean and prepare the attaching surfaces for welding.
...
Cooling System
The cooling system allows the engine to maintain the correct working temperature.
1.4L L4 Engine Shown, 1.8L L4 Engine Similar
1. Engine Cooling Fan (Out of View)
2. Engine Coolant Surge Tank and Pressure Cap
WARNING
An electric engine cooling fan under the hood can start up even when the eng ...
Front Fender Front Lower Bracket Replacement
Preliminary Procedure
Remove the front bumper fascia. Refer to Front Bumper Fascia
Replacement.
Remove the headlamp. Refer to Headlamp Replacement
Remove the front fender. Refer to Front Fender Replacement.
Front Fender Bracket Bolt
Caution: Refer to Fastener Caut ...