Genuine 720 Fuel Pump (Vintage Rebuilt)
Restore the fuel delivery system of your classic Buick with this genuine 720 mechanical fuel pump. This is a vintage rebuilt part, manufactured in the USA. It has been professionally remanufactured using a high-quality original core to ensure period-correct appearance and reliable performance.
This part is designed for the engine-mounted position on specific 1966 Buick models equipped with V6 or V8 engines. It is a dual-purpose mechanical pump engineered to meet original factory specifications for fuel pressure and flow.
Note on Stock Photos: The item you receive will be in similar condition to the one pictured, but may have minor cosmetic variations (such as casting marks or finish) as is typical with vintage rebuilt stock.
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: 720 (Master 720M)
- Interchange / Replaces OEM: 644 0156
- Position: Engine Mounted
- Engine Fitment: 225 CID V6, 300 & 340 CID V8
- Origin: Made in USA (Vintage Stock)
- Condition: Vintage Rebuilt
Verified Vehicle Fitment:
| Make |
Model |
Year |
Engine |
Notes |
| Buick |
Passenger V8 Models |
1966 |
340 V8 |
Before Eng. Ser. No. 109 |
| Buick |
Special |
1966 |
225 V6, 300 V8, 340 V8 |
Before Eng. Ser. No. 109 |
Fits Years:
1965 1966
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.
