Can you buy OEM car parts?
Where to purchase: Although you can purchase OEM parts online, most drivers simply go straight to the dealership for these parts. If you choose to have your vehicle repaired by a local mechanic, the shop might have access to OEM parts but will have to order them in most cases, prolonging the repair process.
What are the structural parts of a car?
Find GM Genuine Parts and ACDelco parts specific to your vehicle, and purchase them online directly from the GM Parts Store or find a part at a dealership or retailer near you.
Can I buy parts directly from GM?
The words 'chassis' and 'frame' are usually used interchangeably. However, technically speaking, the chassis tends to refer specifically to the load-bearing part of the car's frame. The horizontal section that supports and connects all the important components of the car.