This Timing Belt Guide Pulley is a high-quality replacement part designed for AUDI vehicles. It has a diameter of 60mm and a width of 35mm. Two of these pulleys are required per vehicle. It is compatible with the following AUDI models: A8 (4D2, 4D8), 100 Limousine (4A2, C4), A6 Avant (4A5, C4), A6 Limousine (4A2, C4), 100 Avant (4A5, C4), and V8 (441, 442, 4C2, 4C8). The part number is 077109244A.