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. [Cadillac Commercial Chassis: 1960, 1962, 1963, 1964, 1965, 1966, 1967, 1968] - [Cadillac Fleetwood: 1968] - [Chevrolet C20 Pickup: 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972] - [Chevrolet C20 Suburban: 1967, 1968, 1969, 1971, 1972] - [Chevrolet C30 Pickup: 1971, 1972] - [Chevrolet G30 Van: 1971] - [Chevrolet K20 Pickup: 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971] - [Chevrolet K20 Suburban: 1967, 1968, 1969, 1970, 1971] - [Chevrolet P20 Series: 1964, 1965, 1966, 1967] - [Chevrolet P20 Van: 1968, 1969, 1970, 1972] - [Chevrolet P30 Van: 1971, 1972] - [GMC C25/C2500 Pickup: 1967, 1968, 1969, 1970, 1971, 1972] - [GMC C25/C2500 Suburban: 1968, 1969, 1971, 1972] - [GMC C35/C3500 Pickup: 1971, 1972] - [GMC G35/G3500 Van: 1971] - [GMC K25/K2500 Pickup: 1967, 1968, 1969, 1970, 1971] - [GMC K25/K2500 Suburban: 1968, 1969, 1970, 1971] - [GMC P25/P2500 Van: 1967, 1968, 1969, 1970, 1971, 1972] - [GMC P35/P3500 Van: 1971, 1972] - [GMC PB2500 Van: 1966] - [Jeep J20: 1974, 1975]