Product Description
The CUMMINS 3941156 OEM VP44 OVERFLOW VALVE (CHECK VALVE) is designed for 1998.5–2002 5.9L 24-valve Cummins diesel engines equipped with the Bosch VP44 injection pump. This genuine Cummins overflow valve helps regulate fuel return pressure and supports proper fuel system operation while maintaining OEM fitment and reliability.
Use this part when diagnosing fuel pressure issues, hard starting, poor performance, injection pump concerns, or fuel system service on VP44-equipped Cummins engines. Always verify fitment by engine serial number before ordering.
FEATURES
- Genuine Cummins OEM overflow valve / check valve
- Designed for Bosch VP44 fuel injection systems
- Helps maintain proper fuel return pressure
- Direct-fit replacement for applicable Cummins engines
- Supports reliable fuel system operation and performance
- Recommended during VP44 fuel system service and repair
FITMENT
- 1998.5–2002 Dodge Ram 2500 5.9L Cummins 24-Valve
- 1998.5–2002 Dodge Ram 3500 5.9L Cummins 24-Valve
- VP44-equipped Cummins ISB diesel engine applications
WHAT'S INCLUDED
- 1 Cummins 3941156 OEM VP44 Overflow Valve (Check Valve)
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3941156
- Bosch VP44 Injection Pump Components
- Cummins Fuel Supply and Return System Components
- Fuel Pressure Relief and Check Valve Components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3941156
- Part Type: Overflow Valve / Check Valve
- Engine Compatibility: 5.9L Cummins 24-Valve
- Fuel System Compatibility: Bosch VP44 Injection Pump
- Fitment Years: 1998.5–2002
- Vehicle Application: Dodge Ram 2500 / 3500
- Condition: New OEM Cummins
- Installation Type: Direct Replacement
FAQ
Will this overflow valve fit my truck?
This valve fits 1998.5–2002 Dodge Ram 2500 and 3500 trucks equipped with the 5.9L 24-valve Cummins and Bosch VP44 injection pump. Always verify fitment before ordering.
What does the VP44 overflow valve do?
The overflow valve helps regulate fuel return pressure within the VP44 fuel system and supports proper fuel delivery and injection pump operation.
Is this a genuine Cummins part?
Yes. Cummins 3941156 is a genuine OEM Cummins overflow valve designed to factory specifications.
What symptoms can indicate a faulty overflow valve?
Symptoms may include hard starting, poor fuel pressure, drivability issues, inconsistent performance, or fuel system pressure concerns.
What is included with this listing?
This listing includes one Cummins 3941156 OEM VP44 overflow valve (check valve).
Do I need any related parts?
Inspect the lift pump, fuel filter, fuel lines, VP44 injection pump, banjo fittings, and related fuel system components during service and replace worn parts as necessary.
