STANDARDHelp you modified 1949, 1950, 1951, 1952, 1953 or 1954 Chevy beat the heat with this cast iron Stewart hi-flow water pump. Your Early Chevy's engine will run up to 40 degrees cooler due to internal modifications on this hi-flow mechanical water pump that produce an impressive 41% more coolant flow. You must use a high flow thermostat with this water pump for maximum efficiency. The Short and Long of Chevy Water Pumps Chevy mechanical short style water pumps measure 5-5/8" high from the shaft down. Long style Chevy water pumps measure 7" high from the shaft down. An easy way to find out what style you have while your pump is still installed on the motor is to try to stick your hand between the water pump and timing chain cover. If you can slip your fingers in-between you have a long, if not you have a short.
| Make | Model | Years |
| Chevrolet | Bel Air | 1950 - 1954 |
| Chevrolet | Fleetline | 1949 - 1952 |
| Chevrolet | One-Fifty Series | 1953 - 1954 |
| Chevrolet | Styleline Deluxe | 1949 - 1952 |
| Chevrolet | Styleline Special | 1949 - 1952 |
| Chevrolet | Two-Ten Series | 1953 - 1954 |
