Product Description
The CUMMINS 3945707 OEM FUEL DRAIN TUBE (VP44 RETURN LINE) is designed for 1998.5–2002 Dodge Ram trucks equipped with the 5.9L 24-valve Cummins diesel engine. This genuine Cummins fuel return tube helps route excess fuel from the VP44 injection pump system back into the fuel circuit while maintaining proper fitment and fuel system reliability.
Use this part when replacing a damaged, corroded, leaking, or bent fuel return line. Maintaining a properly functioning return circuit helps ensure reliable fuel system operation and leak-free performance. Always verify fitment by engine serial number and part number before ordering.
FEATURES
- Genuine Cummins OEM fuel drain tube
- Direct-fit VP44 fuel return line replacement
- Designed for 1998.5–2002 5.9L Cummins applications
- Helps maintain proper fuel return system operation
- Restores leak-free fuel routing and reliability
- Ideal for maintenance, repair, or restoration projects
FITMENT
- 1998.5–2002 Dodge Ram 2500 5.9L Cummins 24-Valve
- 1998.5–2002 Dodge Ram 3500 5.9L Cummins 24-Valve
- VP44 injection pump-equipped applications
WHAT'S INCLUDED
- 1 Cummins 3945707 OEM Fuel Drain Tube
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3945707
- VP44 Injection Pump Components
- Fuel Return System Hardware
- Cummins Fuel Supply and Return Lines
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3945707
- Part Type: Fuel Drain Tube / Fuel Return Line
- Fuel System Type: VP44 Injection System
- Engine Compatibility: 5.9L Cummins 24-Valve
- Fitment Years: 1998.5–2002
- Vehicle Application: Dodge Ram 2500 / 3500
- Condition: New OEM Cummins
- Installation Type: Direct Replacement
FAQ
Will this part fit my truck?
This fuel drain tube fits many 1998.5–2002 Dodge Ram 2500 and 3500 trucks equipped with the 5.9L 24-valve Cummins engine and VP44 injection pump. Always verify fitment before ordering.
Is this a genuine Cummins part?
Yes. Cummins 3945707 is a genuine OEM Cummins fuel drain tube designed to meet factory specifications.
What does the fuel drain tube do?
The fuel drain tube routes returned fuel from the injection system back through the fuel return circuit, helping maintain proper fuel system operation.
What are the signs of a damaged fuel return tube?
Common symptoms include fuel leaks, corrosion, physical damage, fuel odor, or visible cracks in the return line assembly.
Does this fit VP44-equipped Cummins engines?
Yes. This component is used on 1998.5–2002 5.9L Cummins applications equipped with the Bosch VP44 injection pump.
Do I need any related parts?
Inspect fuel hoses, banjo fittings, sealing washers, injection pump connections, and related fuel return system components during installation and replace worn parts as necessary.