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 WarningDoing Your Own Service Work
Warning
It can be dangerous to work on your vehicle if you do not have the proper
knowledge, service manual, tools, or parts. Always follow owner manual procedures
and consult the service manual for your vehicle before doing any service work.
If doing some of your own service work, use the pro ...
Charge Air Bypass Regulator Solenoid Valve Replacement
Charge Air Bypass Regulator Solenoid Valve Replacement
Callout
Component Name
1
Charge Air Bypass Regulator Solenoid Valve Hose (Qty: 3)
Procedure
Disconnect the electrical connector.
...
Input Shaft Support Replacement (Gen 2)
Input Shaft Support Replacement
Callout
Component Name
1
3-5 Reverse and 4-5-6 Clutch Fluid Seals (Qty: 3)
Note:
Discard the fluid seals. They are not reusable.
Refer to 3-5-Reverse an ...