Product Description
The CUMMINS 3925860 OEM FUEL INJECTION PUMP RETURN LINE (FUEL DRAIN TUBE) is designed for 1991.5–1993 Dodge Ram trucks equipped with the 5.9L 12-valve Cummins diesel engine. This genuine Cummins fuel system component routes excess fuel from the injection pump return circuit and helps maintain proper fuel system operation and reliability.
Use this part when repairing leaking, damaged, corroded, or improperly repaired fuel return plumbing on VE pump-equipped Cummins engines. Always verify fitment by part number and application before ordering.
FEATURES
- Genuine Cummins OEM fuel injection pump return line
- Direct-fit replacement fuel drain tube
- Designed for VE injection pump-equipped applications
- Helps maintain proper fuel return flow and system operation
- Restores factory fuel system routing and fitment
- Ideal for maintenance, repair, or restoration projects
FITMENT
- 1991.5–1993 Dodge Ram 2500 5.9L Cummins 12-Valve
- 1991.5–1993 Dodge Ram 3500 5.9L Cummins 12-Valve
- VE rotary injection pump-equipped applications
WHAT'S INCLUDED
- 1 Cummins 3925860 OEM Fuel Injection Pump Return Line
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3925860
- VE Injection Pump Fuel System Components
- Fuel Return Hose Assemblies
- Cummins Fuel Filter and Fuel Supply Components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3925860
- Part Type: Fuel Injection Pump Return Line
- Alternate Description: Fuel Drain Tube
- Fuel System Type: VE Rotary Injection Pump
- Engine Compatibility: 5.9L Cummins 12-Valve
- Fitment Years: 1991.5–1993
- Vehicle Application: Dodge Ram 2500 / 3500
- Condition: New OEM Cummins
- Installation Type: Direct Replacement
FAQ
Will this part fit my truck?
This return line fits many 1991.5–1993 Dodge Ram 2500 and 3500 trucks equipped with the 5.9L 12-valve Cummins engine and VE injection pump. Always verify fitment before ordering.
Is this a genuine Cummins part?
Yes. Cummins 3925860 is a genuine OEM Cummins fuel injection pump return line.
What does the fuel return line do?
The return line routes excess fuel away from the injection pump and back through the fuel system, helping maintain proper fuel circulation and operation.
What are the signs of a damaged return line?
Common symptoms include fuel leaks, fuel odor, visible corrosion, damaged tubing, or fuel accumulation around the injection pump area.
Does this fit VE injection pump applications?
Yes. This return line is designed for 1991.5–1993 5.9L Cummins engines equipped with the Bosch VE rotary injection pump.
Do I need any related parts?
Inspect all fuel hoses, return fittings, clamps, sealing washers, and fuel filter components during installation and replace worn parts as necessary.
