Hello! This listing is for a custom bundle of parts. 1 brake rotor replaces W8002207 (10 holes, 3.21" tall, 15" Outside Diameter) 1 wheel set of Heavy Duty Brake Pads (2 pads & includes pad hardware as pictured) replaces W8810906, 1 Oil seal replaces W8000036 , 1 outer hub cap with gasket replaces W8000124.  Feel free to ask questions, we are very knowledgeable of brake parts for Rvs, motorhomes and large trucks.