1962 - 1967 Chevrolet Chevy II RWD. 1964 - 1967 Chevrolet Chevelle RWD. 1964 - 1967 Chevrolet El Camino RWD. 1964 - 1966 Chevrolet G10 Van RWD. 1964 - 1967 Chevrolet Malibu RWD. It effectively maintains the engine temperature within optimal ranges, preventing overheating and promoting smooth operation.