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.Vehicle model years this part fits:Dodge D500: 1975, 1976, 1977 Dodge D600: 1975, 1976, 1977 Dodge W500: 1969, 1970, 1971 Dodge W600: 1972 Ford 1 Ton Pickup: 1940, 1941, 1942, 1943, 1944, 1945, 1946, 1947 Ford F4: 1948, 1949