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 WarningRadio and Telephone Control Switch Replacement
Radio and Telephone Control Switch Replacement
Callout
Component Name
Preliminary Procedure
Remove the sterring wheel inflatable restraint module. Refer to
Airbag Steering Wheel Module Replacement.
1
...
Front Wheel Drive Shaft Seal Replacement - Left Side
Front Wheel Drive Shaft Seal Replacement - Left Side
Callout
Component Name
Preliminary Procedures
Raise and support the vehicle. Refer to Lifting and Jacking the
Vehicle.
Remove the left wheel drive shaft. Refer to Front ...
Manual Shift Shaft Seal Installation
Manual Shift Shaft Seal Installation
Callout
Component Name
1
Manual Shift Shaft Seal
Special Tool
DT-49101 Seal Installer
For equivalent regional tools, refer to Special
Tools.
...