This shaft seal is designed for manual transmissions and is compatible with a wide range of VW, Audi, Skoda, and Seat models. It is suitable for vehicles with manual transmissions, including 4-speed, 5-speed, and 6-speed gearboxes. The manufacturing year range for compatibility is from January 1988 to September 1989. Compatible engine codes include AFN, AVG, APR, AQD, ACK, AKN, AFB, ACZ, AFY, ATJ, ASN, AGE, ATX, KF, AMB, AFM, ADW, AEJ, NG, and CAHB. It fits various Audi models such as A6 Avant (4F5, C6), A4 Avant (8ED, B7), A4 Avant (8E5, B6), A4 Limousine (8D2, B5), A6 Avant (4B5, C5), A4 Avant (8D5, B5), 80 Limousine (8C2, B4), A6 Limousine (4F2, C6), 80 (89, 89Q, 8A, B3), A4 Limousine (8E2, B6), A4 Limousine (8EC, B7), 100 Limousine (44, 44Q, C3), A6 Limousine (4B2, C5), 80 Avant (8C5, B4), 100 Limousine (4A2, C4), A6 Avant (4A5, C4), A6 Limousine (4A2, C4), 90 (89, 89Q, 8A, B3), 100 Avant (4A5, C4), 100 Avant (44, 44Q, C3), 100 (43, C2), and 100 Avant (43, C2). It also fits VW Passat Variant (3B5) and Passat (3B2), Skoda Superb (3U4), and Seat Exeo ST (3R5) and Exeo Limousine (3R2). The part numbers associated with this seal are 012301457, 012301457A, and 012301457C. Outer Diameter: 24mm.