Fel-Pro REAR MAIN SEAL SET; 1993-1991 GM V6 204CI 3.3L Buick; 1991 GM V6 231CI 3.8L Buick; 1995-1990 GM V6 231CI 3.8L Buick; 2004-1995 GM V6 231CI 3.8L Buick; 1995-1992 GMT L/D V6 231CI 3.8L Buick; BS40649