This ACDelco Professional Gold 18A1832 brake disc rotor is a high-quality replacement part for your Porsche. Made of cast iron with a vented rotor style, it has a thickness of 0.94 in and a rotor outside diameter of 11.1 in. The bolt pattern is 5 x 5 in (5 x 127 mm) and it can be placed on the left, front or right side of your vehicle. This brake disc rotor is compatible with other interchange part numbers such as 19166626 and it has a vintage of "No". Manufactured in Germany, this uncoated rotor is not a performance part and does not have universal fitment. Purchase this ACDelco Mexico Common brand brake disc rotor from Motors today for a safe and hassle-free ride. Exact item is shown. This is a new open box item. Original packaging will be included but will be broken down prior to shipment. The rotor has some spots of light surface rust from storage. Made in Germany. No returns if installed. Please review our business policies in our store for information regarding returns, shipping and warranties.