The ACDelco 18A2543A GM 19255508 Brake Disc Rotor is a durable and high-quality replacement part for 2007-2017 GMC Acadia vehicles. Made of cast iron with a vented rotor style, this non-coated disc brake rotor has a thickness of 20mm and a discard thickness of 18.4mm. With a rotor outside diameter of 13 inches and a bolt pattern of 6x132mm, this rear, left, and right placement part is designed for GM vehicles and comes with a California Prop 65 Warning for cancer and reproductive harm. This brake disc rotor is a reliable choice for maintaining the braking system of your GMC Acadia. Exact item is shown. This is new without the original packaging, which is only shown for reference. Item has very light surface rust from storage. Made in China. No returns if installed. Please review our business policies in our store for information regarding returns, shipping and warranties.