MAHLE Original 77-80 Buick Century Rear Main Seal SetMAHLE Original 77 80 Buick Century Rear Main Seal Set This Part Fits: Year Make Model Submodel 1980 Buick Century Base 1980 Buick Century Estate 1980 Buick Century Limited 1980 Buick Regal Base 1980 Buick Regal Limited 1980 1982 Checker Marathon Base 1980 1982 Checker Marathon Deluxe 1985 Chevrolet Astro Base 1985 Chevrolet Astro CL 1985 Chevrolet Astro CS 1980 Chevrolet C10 Big Ten 1980 1981 Chevrolet C10 Cheyenne 1981 1985 Chevrolet C10 Custom 1980