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 WarningWhat to Do with Used Oil
Used engine oil contains certain elements that can be unhealthy for your skin
and could even cause cancer. Do not let used oil stay on your skin for very long.
Clean your skin and nails with soap and water, or a good hand cleaner. Wash or properly
dispose of clothing or rags containing used en ...
Engine Oil Cooler Installation
Note: Lubricate the oil cooler seal (8) with clean engine oil.
Install the engine oil cooler assembly (6) along with 2 NEW sealings (8)
and (9).
Install the 3 oil cooler bolts (5) and tighten to 10 Y (89 l ...
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 ...