This direct replacement drum brake wheel cylinder was specifically engineered to match the fit, function and performance of the original wheel cylinder on particular vehicles. It is manufactured and tested for quality assurance. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Buick Gran Sport: 1965, 1966] - [Buick Skylark: 1965, 1966, 1967, 1976, 1977, 1978, 1979] - [Buick Special: 1964, 1965, 1966, 1967] - [Buick Sportwagon: 1964, 1965, 1966, 1967] - [Chevrolet Camaro: 1975, 1976, 1977, 1978, 1979, 1980, 1981] - [Chevrolet Chevelle: 1965, 1966, 1967, 1968, 1969] - [Chevrolet Chevy: 1976, 1977, 1978, 1979] - [Chevrolet El Camino: 1964, 1965, 1966, 1967, 1968, 1969] - [Chevrolet Malibu: 1965, 1966, 1967] - [Chevrolet Nova: 1976, 1977, 1978, 1979] - [Oldsmobile 442: 1965, 1966, 1968, 1969] - [Oldsmobile Cutlass: 1964, 1965, 1966, 1968, 1969] - [Oldsmobile F85: 1964, 1965, 1966, 1968, 1969] - [Oldsmobile Jetstar 88: 1964, 1965, 1966] - [Oldsmobile Omega: 1976, 1977, 1978, 1979] - [Pontiac Firebird: 1976, 1977, 1978, 1979, 1980, 1981] - [Pontiac GTO: 1964, 1965, 1966] - [Pontiac LeMans: 1964, 1965, 1966] - [Pontiac Phoenix: 1977, 1978, 1979] - [Pontiac Tempest: 1964, 1965, 1966] - [Pontiac Ventura: 1976, 1977]