This CV Joint kit is designed for the front axle of various VW, Audi, Opel, Skoda, Seat, and Alfa Romeo models. It features external toothing of 28 on the differential side and a bell pin length of 32. The kit is compatible with vehicles manufactured up to specific dates including 03/1985, 07/1990, 11/1993, 06/1996, 07/1993, 07/1987, 08/1990, 02/1992, 07/1996, 04/1997, 11/1990, 12/1998, 08/2000, 12/1987, 05/2001, 05/2004, 01/1999, 01/2003, 03/2001, 04/2001, 04/2000, 09/2004, 04/2003. It is suitable for manual transmissions, including 5-speed and 6-speed manual transmissions. Vehicle Identification Numbers (VIN) compatibility includes ranges such as 43-A-0040622 to 44-J-200100, 4392045830 to 43-C-090315, 89-K-420000 to 1J3W468500, 1M3099000 to 1M3099001, and 1M3109000. The starting construction years for compatibility include 11/1984, 08/1985, 08/1987, 06/1994, 02/1999, 06/1999, 04/1999, 07/1995. This part is also designated for special purpose vehicles such as taxis, but not for armored vehicles. Specific compatible models include VW Golf IV, Passat, Transporter; Audi A3, A4, A6, TT, 80, 100, V8, Quattro; Opel Zafira A; Skoda Superb; Seat Leon, Toledo II; and Alfa Romeo 156, Spider, GTV, 155. The part numbers associated with this CV Joint are 251598101A, 431407331G, 431498103C, 431498103CX, 431498104CX, 443407331D, 443407331G, 443498103A, 4B0498103, 1J0498103E, 431407331, and 4D0598103. This product is an axle joint, joint kit, and drive shaft component.