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 Wiper Blade Replacement
Windshield wiper blades should be inspected for wear or cracking. See the Maintenance
Schedule for more information.
Replacement blades come in different types and are removed in different ways.
For proper windshield wiper blade length and type, see Maintenance Replacement Parts.
Caution ...
Engine Oil Cooler Pipe Replacement (LUW)
Engine Oil Cooler Pipe Replacement
Callout
Component Name
Preliminary Procedures
Drain the cooling system. Refer to Cooling System Draining and Filling.
Remove the exhaust manifold with catalytic converter. Refer to Exhaus ...
Control Valve Body Assembly Installation
Control Valve Body Assembly Installation
Callout
Component Name
1
Low and Reverse Clutch Fluid Passage Seal
2
1-2-3-4 Clutch Fluid Passage Seal
3
Control Valve Body ...