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Part Number: 40259 (AC Type 40259)
Type: Mechanical Fuel Pump (2-Port / Single Action)
Replaces OEM Reference: GM 6440259, GM 6415883, GM 6470036
Note: This pump is a 2-Line Pump (1 Inlet, 1 Outlet). It is designed for vehicles without a factory vapor return line. If your vehicle is equipped with Factory Air Conditioning, it likely requires the 3-Line pump (Part # 40262). Please verify your existing pump configuration.
fits
| Make | Model | Year | Engine | Special Notes |
| Oldsmobile | 442 | 1965-1966 | V8-400ci (6.6L) | Without Air Conditioning (A/C) |
| Oldsmobile | Cutlass | 1965-1966 | V8-400ci (6.6L) | 442 Option / Without A/C |
| Oldsmobile | Delmont 88 | 1967 | V8-425ci (7.0L) | Without Air Conditioning (A/C) |
| Oldsmobile | Delta 88 | 1965-1966 | V8-425ci (7.0L) | Without Air Conditioning (A/C) |
| Oldsmobile | Dynamic 88 | 1965-1966 | V8-425ci (7.0L) | Without Air Conditioning (A/C) |
| Oldsmobile | Jetstar 88 | 1965-1966 | V8-425ci (7.0L) | Without Air Conditioning (A/C) |
| Oldsmobile | Jetstar I | 1965 | V8-425ci (7.0L) | Without Air Conditioning (A/C) |
| Oldsmobile | Ninety-Eight | 1965-1966 | V8-425ci (7.0L) | Without Air Conditioning (A/C) |
| Oldsmobile | Starfire | 1965-1966 | V8-425ci (7.0L) | Without Air Conditioning (A/C) |
| Oldsmobile | Toronado | 1966 | V8-425ci (7.0L) | Without Air Conditioning (A/C) |
| Oldsmobile | Vista Cruiser | 1965-1966 | V8-400ci (6.6L) | With 400 Engine Option / Without A/C |
All our pumps are proudly Made in the USA!
If the unit is a rebuilt pump, please note it was professionally reconditioned by a U.S. rebuilder near Denver, CO, between the late 1980s and early 1990s.
Regarding 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.
