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Part Number: 515 (AC Type 515)
Type: Mechanical Fuel Pump (Dual Action / With Vacuum Booster)
Replaces OEM Reference: GM 1523515, GM 1537094, GM 5592022
Note: This is a Dual Action fuel pump (Type 515). It features a vacuum booster section on top to assist vacuum windshield wipers under engine load. It is the specific factory pump for 1937-1938 6-cylinder Oldsmobile and Pontiac models. It is also functionally compatible as a service replacement for the later Type 523 used on 1939+ models.
fits
| Make | Model | Year | Engine | Special Notes |
| Oldsmobile | Series F-37 | 1937 | L6-230ci (3.8L) | Dual Action (Vacuum Wipers) |
| Oldsmobile | Series F-38 | 1938 | L6-230ci (3.8L) | Dual Action (Vacuum Wipers) |
| Oldsmobile | Series 60 | 1939-1940 | L6-230ci (3.8L) | Service Replacement for Type 523 |
| Oldsmobile | Series 66 | 1941-1942 | L6-238ci (3.9L) | Service Replacement |
| Pontiac | Deluxe Six | 1937 | L6-223ci (3.7L) | Series 26 / Dual Action |
| Pontiac | Deluxe Six | 1938 | L6-223ci (3.7L) | Series 26DA / Dual Action |
| Pontiac | Master Six | 1937 | L6-223ci (3.7L) | Series 25 / Dual Action |
| Pontiac | Quality Six | 1939-1940 | L6-223ci (3.7L) | Service Replacement for Type 523 |
1937 1938 1939 1940
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.