Product Description
Genuine 40446 Fuel Pump (Vintage Rebuilt)
Restore the fuel system of your vintage GM vehicle to factory performance standards with this professionally rebuilt mechanical fuel pump. Proudly Made in the USA, this genuine vintage unit is a period-correct component essential for high-quality restorations. By utilizing high-quality original castings, this rebuilt pump maintains the authentic look and rugged durability that modern mass-market replacements often fail to provide, ensuring your 6-cylinder engine receives steady, reliable fuel delivery.
This specific model, 40446, is a highly versatile fitment for 1966-1969 General Motors applications equipped with the 230 and 250 cubic inch inline 6-cylinder engines. According to the [Master Fuel Pumps Catalog](file:///G:/Shared%20drives/OCPNW/OCPNW/PDF/Fuel.Pumps/Master.Fuel.Pumps.pdf), this unit serves as the primary replacement for original equipment part number 644 0446. It is the designated pump for Chevrolet and GMC trucks, as well as passenger models like the Camaro, Chevelle, Nova, Buick Special, and Oldsmobile F-85, providing the precise operating pressure these powerplants require.
Note on Stock Photos: Due to our volume of identical, interchangeable inventory, we use representative stock photos for this model. The image is for reference only and may depict a specific manufacturer (e.g., 'AC'). You will receive a pump that meets all listed specifications, which may be from the manufacturer shown or a fully equivalent alternative.
A Note on Fitment Accuracy: We manually research and cross-reference our fitment data using vintage manufacturer catalogs. While we strive for 100% accuracy, these decades-old resources—and the humans reading them—can occasionally contain errors. Additionally, these pumps may fit other vehicles and years not explicitly listed in our data. To ensure a seamless restoration, we kindly ask that you perform your own due diligence and verify that this specific part number is correct for your application prior to purchase.
Key Features:
- Part Number: 40446 (Master 40446M)
- Interchange / Replaces OEM: 644 0446
- Position: Engine Mounted
- Engine Fitment: 230, 250 CID L6
- Origin: Made in USA (Vintage Stock)
- Condition: Vintage Rebuilt
Verified Vehicle Fitment:
| Make | Model / Series | Year | Engine | Notes |
| Chevrolet | Passenger (Nova, Camaro, Chevelle, etc.) | 1966-1969 | 230, 250 L6 | With Anti-Smog |
| Chevrolet / GMC | Trucks (C/K Series, G10, P-Series) | 1966-1969 | 230, 250 L6 | Standard Fitment |
| Buick | Special, Skylark, LeSabre | 1968-1969 | 250 L6 | Standard Fitment |
| Oldsmobile | F-85, Omega | 1966-1969 | 250 L6 | Standard Fitment |
Fits Years:
1966 1967 1968 1969
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 vintage inventory is acquired from old auto parts stores, warehouses, and private collections. While these parts are unused or professionally rebuilt, their packaging and surfaces may show signs of shelf wear or age due to decades of storage. Rest assured, every part is a genuine piece of automotive history, built to the standards of the era it represents.
