Mahle K27821A Engine Water Pump Mounting Gasket

Engine Water Pump Mounting Gasket for GM Applications

The Mahle K27821A engine water pump mounting gasket is a paper gasket made for sealing the water pump mounting surface on a wide range of classic GM vehicles. It is a direct-fit sealing solution for Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac, and GMC applications that require this specific water pump gasket style.

• Paper gasket construction for water pump mounting surfaces
• Fits many GM passenger cars and light trucks from 1964-1990
• Compatible with vehicles listed without air conditioning and except heavy duty cooling notes
• Mahle sealing product backed by OEM and technician trust
• Part number K27821A for accurate ordering and lookup

Fitment and Cross References

Fits 1988-1990 Buick LeSabre, N/A; Fits 1977-1986 Buick LeSabre, N/A; Fits 1987-1990 Cadillac Brougham, N/A; Fits 1987-1990 Chevrolet Caprice, N/A; Fits 1980-1985 Chevrolet Caprice, N/A; Fits 1971-1990 Oldsmobile Custom Cruiser, N/A; Fits 1987-1989 Pontiac Safari, N/A; Fits 1967-1988 Oldsmobile Cutlass Supreme, N/A; Fits 1985-1987 Buick Regal, N/A; Fits 1982-1983 Buick Regal, N/A; Fits 1977 Buick Regal, N/A; Fits 1985-1987 Oldsmobile Cutlass Salon, N/A; Fits 1975-1980 Oldsmobile Cutlass Salon, N/A; Fits 1981-1986 Pontiac Parisienne, N/A; Fits 1977-1985 Buick Riviera, N/A; Fits 1979-1985 Cadillac Eldorado, N/A; Fits 1979-1985 Cadillac Fleetwood, N/A; Fits 1976-1985 Cadillac Seville, N/A; Fits 1980-1985 Chevrolet Impala, N/A; Fits 1965-1985 Oldsmobile Delta 88, N/A; Fits 1976-1985 Oldsmobile Toronado, N/A; Fits 1966-1971 Oldsmobile Toronado, N/A; Fits 1982-1984 Chevrolet Monte Carlo, N/A; Fits 1965-1984 Oldsmobile 98, N/A; Fits 1978-1984 Oldsmobile Cutlass Calais, N/A; Fits 1977-1984 Pontiac Bonneville, N/A; Fits 1981-1984 Pontiac Grand Prix, N/A; Fits 1977 Pontiac Grand Prix, N/A; Fits 1982-1983 Chevrolet Malibu, N/A; Fits 1980-1983 Oldsmobile Cutlass Cruiser, N/A; Fits 1978-1981 Chevrolet C10, N/A; Fits 1979-1981 GMC C1500, N/A; Fits 1979-1981 GMC C1500 Suburban, N/A; Fits 1975-1981 Oldsmobile Cutlass, N/A; Fits 1964-1971 Oldsmobile Cutlass, N/A; Fits 1977-1981 Pontiac Catalina, N/A; Fits 1981 Pontiac Laurentian, N/A; Fits 1978-1980 Chevrolet C10 Suburban, N/A; Fits 1980 GMC C2500 Suburban, N/A; Fits 1979 Cadillac DeVille, N/A; Fits 1977-1979 Pontiac Firebird, N/A; Fits 1978 Chevrolet C30, N/A; Fits 1977 Buick Century, N/A; Fits 1975-1977 Buick Skylark, N/A; Fits 1975-1977 Oldsmobile Omega, N/A; Fits 1976-1977 Pontiac Grand LeMans, N/A; Fits 1976-1977 Pontiac LeMans, N/A; Fits 1965-1966 Oldsmobile Starfire, N/A.

This part cross-references FEL-PRO 35059 for the same application.

What This Gasket Helps Address

• Coolant seepage at the water pump mounting flange
• Loss of sealing after water pump service
• Surface leaks caused by aged or compressed gasket material
• Improper sealing on GM water pump mounting points
• Repeat cooling system leaks after repair work

Installation Notes and Tips

Clean both mating surfaces thoroughly before installation and remove old gasket material, corrosion, and coolant residue. Verify the application against the vehicle listing, especially the notes for without air conditioning and except heavy duty cooling. Use the part number K27821A to confirm the correct gasket before assembly.

Quality Assurance

Mahle gaskets are built as sealing components trusted by OEMs and technicians worldwide. K27821A is a Mahle water pump mounting gasket made for accurate sealing performance on the listed Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac, and GMC applications.