Product Description
Genuine 40331 Fuel Pump (Vintage Rebuilt)
Restore the fuel delivery system of your classic Mopar V8 to factory-original 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 engine receives steady, reliable fuel delivery.
This specific model, 40331, is a versatile fitment for a wide range of Chrysler, Dodge, DeSoto, and Imperial applications from 1957 to 1963. According to technical data, this unit serves as a primary replacement for part number 711NM and interchanges with Carter model M3268S. It is engineered to meet the specific volume and pressure requirements of several legendary Mopar powerplants, including the 318 (A-series), 354, and 361 cubic inch V8 engines.
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: 40331 (Interchanges with 711NM)
- Interchange / Replaces OEM: Carter M3268S
- Position: Engine Mounted
- Engine Fitment: Mopar V8 (318, 354, 361 CID)
- Origin: Made in USA (Vintage Stock)
- Condition: Vintage Rebuilt
Verified Vehicle Fitment:
| Make | Model / Series | Year | Engine | Notes |
| Chrysler / Imperial | All Models | 1959-1963 | V8 | Standard Fitment |
| Dodge | All Models (Inc. Trucks) | 1959-1963 | V8 | 318 & 354 CID |
| DeSoto | Fireflite, Firesweep | 1957-1961 | V8 | Standard Fitment |
| Plymouth | All Models | 1957-1963 | 318 V8 | Standard Fitment |
Fits Years:
1957 1958 1959 1960 1961 1962 1963
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.
