This ACDelco Advantage brake disc rotor is a high-quality replacement part for your vehicle. It is designed to fit the rear, left, and right sides of your vehicle with a bolt pattern of 6 x 5.5 inches (6 x 139.7 mm). The rotor is made of cast iron material and has a non-directional finish. The 18A907A brake disc rotor has a disc thickness of 1.122 inches and a rotor outside diameter of 13.3 inches. It is compatible with various models and part numbers including 15727134, 177870, and 15712802. This OEM part is perfect for those looking for a reliable replacement without sacrificing quality. Exact item is shown. This is new without the original packaging. 6 lug vented disc brake rotor. No returns if installed.This item is a new, opened customer return. It has been inspected and passed quality control to insure the condition described and contents are accurate. Please review actual photos as stock photos are not the actual item, our photos are. You will ONLY receive exactly what is shown in photos, regardless of what might have originally been included. Please review our business policies in our store for information regarding returns, shipping and warranties.