Product Description
Genuine 40030 Fuel Pump (Vintage Rebuilt)
Restore the fuel delivery system of your classic Oldsmobile with this genuine 40030 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 for your high-displacement V8 engine.
This part is designed for the engine-mounted position on specific 1965 Oldsmobile models equipped with V8 engines ranging from 330 CID to 425 CID. This 2-port, single-action mechanical pump is specifically engineered for vehicles without air conditioning (A/C). This unit was professionally reconditioned by a U.S. rebuilder near Denver, CO, between the late 1980s and early 1990s, offering dependable operation for your vintage powertrain.
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: 40030 (Master 40030M)
- Interchange / Replaces OEM: GM 6416461, GM 6440030 (Casting), GM 5621615
- Position: Engine Mounted
- Engine Fitment: Oldsmobile V8 (330, 400, 425 CID)
- Origin: Made in USA (Vintage Stock)
- Condition: Vintage Rebuilt
Verified Vehicle Fitment:
| Make | Model | Year | Engine | Notes |
| Oldsmobile | Cutlass / 442 / F85 / Vista Cruiser | 1965 | 330, 400 V8 | W/O Air Conditioning |
| Oldsmobile | 88 Series (Delmont, Delta, Dynamic, Jetstar) | 1965 | 330, 425 V8 | W/O Air Conditioning |
| Oldsmobile | Ninety-Eight / Starfire / Jetstar I | 1965 | 425 V8 | W/O Air Conditioning |
Fits Years:
1965
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.
