Product Description
The CUMMINS 4983584 OEM MECHANICAL FUEL TRANSFER (LIFT) PUMP is designed for 1989–1993 5.9L Cummins diesel engines. This genuine Cummins mechanical lift pump is engineered to provide proper low-pressure fuel delivery from the fuel tank to the injection pump while maintaining OEM fitment, reliability, and performance.
Use this part when replacing a weak, leaking, worn, or failed factory mechanical lift pump. Proper fuel supply pressure is critical for injection pump performance and overall engine operation. Always verify fitment by engine serial number before ordering.
FEATURES
- Genuine Cummins OEM mechanical fuel transfer pump
- Direct-fit replacement for 1989–1993 5.9L Cummins applications
- Helps maintain proper fuel supply to the injection pump
- Designed to restore reliable fuel system operation
- Built to Cummins OEM specifications for durability and performance
- Ideal for maintenance, repair, or fuel system restoration projects
FITMENT
- 1989–1993 Dodge Ram 2500 5.9L Cummins
- 1989–1993 Dodge Ram 3500 5.9L Cummins
- 1989–1993 5.9L Cummins 12-Valve applications equipped with a mechanical fuel lift pump
- Select industrial and commercial 5.9L Cummins applications
WHAT'S INCLUDED
- 1 Cummins 4983584 OEM Mechanical Fuel Transfer (Lift) Pump
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 4983584
- Mechanical Fuel Lift Pump Components
- Fuel Filter Service Components
- Injection Pump Fuel Supply Components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 4983584
- Part Type: Mechanical Fuel Transfer Pump / Lift Pump
- Engine Compatibility: 5.9L Cummins 12-Valve
- Fitment Years: 1989–1993
- Vehicle Application: Dodge Ram 2500 and 3500
- Condition: New OEM Cummins
- Fuel System Component: Yes
- Installation Type: Direct Replacement
FAQ
Will this lift pump fit my truck?
This pump is designed for 1989–1993 5.9L Cummins applications that use a factory mechanical fuel lift pump. Always verify fitment by engine serial number before ordering.
What does a mechanical fuel transfer pump do?
The mechanical lift pump pulls fuel from the tank and supplies fuel to the injection pump at the proper pressure required for engine operation.
What are the symptoms of a failing lift pump?
Common symptoms include hard starting, loss of power, low fuel pressure, poor engine performance, fuel leaks, and excessive cranking before startup.
Is this a genuine Cummins OEM part?
Yes. Cummins 4983584 is a genuine OEM mechanical fuel transfer pump designed to meet factory fuel system specifications.
What is included with this listing?
This listing includes one Cummins 4983584 OEM mechanical fuel transfer (lift) pump.
Do I need any related parts?
Inspect fuel lines, fuel filters, fuel fittings, sealing washers, and injection pump supply components during installation and replace worn parts as necessary.
