New convertible top motor for 1951, 1952, 1953, and 1954 Chevrolet & Pontiac Convertibles. This is a 12 VOLT MOTOR, for vehicles converted to 12 Volts. This replacement motor mounts right where the original did. Just slide the new pump motor in where the old one was, and connect your wiring. These brand new pump motors have a 5 year warranty when used with transmission fluid or dot 3 brake fluid. The hydraulic pump motor is the "heart" of your power top system. Give your top a real lift with a new pump motor form Convertible Service!