When you order your GM Mount Plate (89023602) from us, you will always receive a genuine OEM part. We only offer OEM parts and accessories to ensure you get the highest quality part that will perfectly fit your 2005 Cadillac STS vehicle. All parts are backed by a warranty and we offer fitment verification by putting in your VIN at checkout.

You can also shop from your vehicle's specific OEM parts catalog by selecting your make below:

| Buick Models | Cadillac Models | Chevrolet Models | GMC Models |  

| Hummer Models | Oldsmobile Models | Pontiac Models | Saturn Models |