Product Description
Genuine Ford 78-8501 Water Pump (Rebuilt)
Restore the cooling efficiency of your classic Ford or Mercury with this genuine Ford 78-8501 Water Pump. This is a vintage Rebuilt part. It features a genuine Ford OEM casting that has been professionally remanufactured in the USA, providing superior durability and correctness compared to modern lightweight reproductions.
This part is designed for the Right (Passenger Side) position on specific 1937-1948 Ford and Mercury vehicles equipped with the Flathead V8 engine (85HP, 90HP, 100HP).
Key Features:
- Part Number: 78-8501 (Ford OEM Casting)
- Interchange Part: WP-15R, 78-8505
- Position: Engine Cooling (Right / Passenger Side)
- Engine Fitment: Flathead V8 (85, 90, 100 HP)
- Origin: Made in USA (Vintage Stock)
- Condition: Vintage Rebuilt (OEM Core)
Verified Vehicle Fitment:
| Make | Model | Year | Engine | Notes |
| Ford | Passenger Cars (Standard, DeLuxe, Super) | 1937-1948 | Flathead V8 | Right Side (exc. 60HP) |
| Ford | Truck (1/2 Ton - 1 Ton) | 1937-1947 | Flathead V8 | Right Side (exc. 60HP) |
| Mercury | Series 99A thru 89M | 1939-1948 | Flathead V8 | Right Side |
Fits Years:
1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948
Product Note: Vintage Rebuilt Water Pump
Please inspect the product images carefully, as they provide the best description of the exact pump you will receive. This unit was professionally rebuilt by a US Manufacturer in the early 1990s.
- Gaskets: We strive to provide necessary gaskets, but due to age, they are often brittle or missing. Please be prepared to source a fresh gasket if needed.
- Fitment: We strongly recommend performing your own due diligence to ensure this pump is correct for your application prior to purchase.
- Condition: As a vintage rebuilt item, minor shelf wear is normal.
Unbeatable Prices & Expectations
We scour the country to find the best deals on NOS and NORS parts so we can pass the savings on to you. Our prices are often significantly lower than major competitors.
Please Note: While we verify fitment to the best of our ability using vintage catalogs, there can be variations. We strongly recommend comparing our photos and specs to your original part before purchasing.