Product Description
CUMMINS 4988747 OEM MECHANICAL FUEL TRANSFER LIFT PUMP FOR 1994-1998 5.9L 12V CUMMINS
The CUMMINS 4988747 OEM mechanical fuel transfer lift pump is the genuine camshaft-driven piston-style fuel pump for 1994-1998 Dodge Ram 2500 and 3500 trucks equipped with the 5.9L 12-valve Cummins and Bosch P7100 injection pump.
This OEM lift pump delivers the proper low-pressure fuel supply required for reliable starting, stable fuel pressure, towing performance, and long-term P7100 injection pump durability.
Designed to Cummins factory specifications, the 4988747 fuel transfer pump includes an integrated hand primer and provides dependable fuel delivery for stock, towing, and mild performance applications.
FEATURES
- Genuine OEM Cummins mechanical lift pump
- Camshaft-driven piston-style design
- Integrated hand primer assembly
- Designed for Bosch P7100 fuel systems
- Direct-fit replacement for factory lift pumps
- Supports stable low-pressure fuel supply
- Ideal for towing, stock replacement, and performance applications
FITMENT
- 1994 Dodge Ram 2500 5.9L 12-valve Cummins
- 1994 Dodge Ram 3500 5.9L 12-valve Cummins
- 1995 Dodge Ram 2500 5.9L 12-valve Cummins
- 1995 Dodge Ram 3500 5.9L 12-valve Cummins
- 1996 Dodge Ram 2500 5.9L 12-valve Cummins
- 1996 Dodge Ram 3500 5.9L 12-valve Cummins
- 1997 Dodge Ram 2500 5.9L 12-valve Cummins
- 1997 Dodge Ram 3500 5.9L 12-valve Cummins
- 1998 Dodge Ram 2500 5.9L 12-valve Cummins
- 1998 Dodge Ram 3500 5.9L 12-valve Cummins
- Select industrial B-Series, ISB, 6CTA, and ISC applications
Fitment Note: This pump is designed for 1994-1998 12-valve P7100 applications only and will not fit VE-pump, VP44, or common-rail fuel systems.
WHAT'S INCLUDED
- 1 Cummins 4988747 OEM mechanical fuel transfer lift pump
- Integrated hand primer assembly
CROSS-REFERENCE
- Cummins 3936316
- Cummins 3936317
- Cummins 4944710
- Cummins 4761979
- Cummins 4988751
- Bosch 0440020047
RELATED PARTS
- Cummins lift pump spacer plate
- Cummins lift pump mounting gasket
- Cummins fuel supply tube
- Cummins P7100 supply line
- Cummins fuel filtration components
INSTALLATION NOTES
- Use the proper spacer plate and mounting gasket during installation
- Prime the fuel system after installation using the integrated hand primer
- Inspect fuel lines and fittings for leaks
- Verify proper fuel pressure after installation
- Replace worn fuel hoses and sealing washers during service
SPECIFICATIONS
- Brand: Cummins Genuine Parts
- Part Number: 4988747
- Product Type: Mechanical fuel transfer lift pump
- Pump Style: Camshaft-driven piston pump
- Engine Compatibility: 5.9L 12-valve Cummins
- Fuel System Compatibility: Bosch P7100 injection system
- Fitment Years: 1994-1998
- Integrated Hand Primer: Yes
- Typical Outlet Pressure: Approximately 25-35 PSI at idle
- Approximate Shipping Weight: 5 pounds
- Condition: New genuine Cummins OEM part
FAQ
Will this fit my 1994-1998 12-valve Cummins Ram?
Yes. Cummins 4988747 is designed for 1994-1998 Dodge Ram 2500 and 3500 trucks equipped with the 5.9L 12-valve Cummins and Bosch P7100 injection pump.
Does this include the hand primer?
Yes. This OEM lift pump includes the integrated hand primer assembly.
Do I need a spacer plate during installation?
Yes. Proper spacer plate and gasket installation are recommended to maintain correct pump stroke and sealing.
What fuel pressure should this pump provide?
Most healthy systems will produce approximately 25-35 PSI at idle at the P7100 inlet.
Will this fit VP44 or common-rail Cummins engines?
No. This mechanical lift pump is designed specifically for 1994-1998 12-valve P7100 fuel systems.
Is this a genuine Cummins OEM part?
Yes. This is a genuine Cummins OEM mechanical fuel transfer lift pump.
