Part Number: 40250 (AC Type 40250)
Type: Mechanical Fuel Pump (2-Port / Single Action)
Replaces OEM Reference: GM 6440250, GM 5621732
Note: This pump is typically found on 1964-1965 models. It fits the Buick-manufactured "Fireball" V6 and "Wildcat" 300 V8. It does not fit the 1961-1963 Aluminum 215 V8, nor does it fit the 1966+ 340 V8.
fits
| Make |
Model |
Year |
Engine |
Special Notes |
| Buick |
LeSabre |
1964-1965 |
V8-300ci (4.9L) |
Wildcat 310 / 355 |
| Buick |
Skylark |
1964-1965 |
V6-225ci (3.7L) |
Fireball V6 |
| Buick |
Skylark |
1964-1965 |
V8-300ci (4.9L) |
Wildcat 310 / 355 |
| Buick |
Special |
1964-1965 |
V6-225ci (3.7L) |
Fireball V6 |
| Buick |
Special |
1964-1965 |
V8-300ci (4.9L) |
Wildcat 310 / 355 |
| Buick |
Sportwagon |
1964-1965 |
V8-300ci (4.9L) |
All Models |
| Oldsmobile |
Cutlass |
1964-1965 |
V6-225ci (3.7L) |
Buick V6 Engine Option |
| Oldsmobile |
F85 |
1964-1965 |
V6-225ci (3.7L) |
Buick V6 Engine Option |
| Oldsmobile |
Vista Cruiser |
1964-1965 |
V6-225ci (3.7L) |
Buick V6 Engine Option |
1964 1965
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.
