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 WarningInstrument Panel Tie Bar Replacement
Removal Procedure
Remove the Instrument panel assembly. Refer to Instrument Panel Assembly
Replacement.
Remove the steering column and wheel from the vehicle. Refer to Steering
Column Replacement.
Remove the air inlet grill panel. Refer to Air Inlet Grille Panel Replacem ...
Engine Mount Replacement
Engine Mount Replacement
Callout
Component Name
Preliminary Procedures
Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
Install the engine support fixture. Refer to Engine Support Fixture.
...
Torque Converter Housing with Fluid Pump Assembly Installation (6T40/45/50 Non
Hybrid)
Torque Converter Housing with Fluid Pump Assembly Installation
Callout
Component Name
1
Fluid Pump Seal Assembly
2
Torque Converter Housing Gasket
3
Torque Converte ...