
Illustrative photo — the delivered item may differ in appearance. Orders are fulfilled by catalog part number (SKU).
Fuel Transfer Pump Cummins 4983584 | 3904374, 3928143, J904374
Ensure a steady, low-pressure fuel flow to your injection system with this heavy-duty mechanical fuel transfer pump for Cummins B-Series and ISB engines.
Description
Reliable Fuel Delivery for Cummins Engines
The Cummins 4983584 fuel transfer pump is a high-quality mechanical lift pump designed to maintain a consistent, low-pressure fuel supply from the tank to your engine’s injection system. Engineered for heavy-duty performance, this pump prevents fuel starvation during normal operation and sudden load changes, ensuring your engine runs smoothly and efficiently. This part is also available under the numbers: 3904374, 3928143, and J904374.
Key Features and Benefits
- Mechanical Diaphragm Design: Delivers a steady, low-pressure fuel flow to keep your injection pump properly fed.
- Spring-Loaded Actuating Arm: Follows the camshaft motion precisely to match fuel delivery with engine speed.
- Manual Priming Lever: Allows for quick and easy air removal from the fuel system after filter maintenance or a run-dry condition, eliminating the need for extended cranking.
- Durable Cast Housing: Mounts flush to the engine block to ensure a secure, leak-free seal.
Engine Compatibility and Fitment
This mechanical fuel transfer pump is designed for a wide range of Cummins medium and heavy-duty diesel engines, including:
- Cummins B-Series (4B3.9, 4BT, 6B5.9, 6BT)
- Cummins B4.5
- Cummins ISB 6.7
Cross-Reference / Interchange Part Numbers
This part replaces / is interchangeable with the following part numbers:
- 4983584
- 3904374
- 3901425
- 3966154
- 3928143
- 3970880
- J928143
- J904374
- CU4983584
- J904374J928143
- 7971274
- 93151274
- 87319987
- 121240254H1
- CM100
- 2660
- 610848
- CBU1099
- FP274
- R3943503



