Product Description
The CUMMINS 3943775 OEM #6 FUEL INJECTION LINE is designed for 1998.5–2002 Dodge Ram trucks equipped with the 5.9L 24-valve Cummins diesel engine and VP44 injection pump. This genuine Cummins high-pressure fuel line delivers fuel from the injection pump to the number 6 injector while maintaining proper fuel system performance and OEM fitment.
Use this part when replacing a damaged, leaking, corroded, or improperly bent injection line. Proper fuel line condition is critical for maintaining injection timing, fuel delivery, and engine performance. Always verify fitment by engine serial number and part number before ordering.
FEATURES
- Genuine Cummins OEM fuel injection line
- Designed specifically for the number 6 cylinder injector
- Fits VP44-equipped 5.9L Cummins engines
- Direct-fit replacement for factory fuel system components
- Maintains proper fuel delivery and injector operation
- Ideal for repair, restoration, or fuel system maintenance
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 3943775 OEM #6 Fuel Injection Line
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3943775
- VP44 Injection Pump Components
- Fuel Injector Connector Tubes
- 24-Valve Cummins Fuel System Components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3943775
- Part Type: Fuel Injection Line
- Cylinder Application: Number 6
- Fuel System Type: VP44
- 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 fuel injection line fit my truck?
This line fits 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 fuel line?
Yes. Cummins 3943775 is a genuine OEM fuel injection line manufactured to Cummins specifications.
What cylinder does this line serve?
This injection line is designed for the number 6 cylinder on applicable VP44-equipped Cummins engines.
Why would a fuel injection line need replacement?
Fuel lines can become damaged from corrosion, vibration, improper handling during repairs, or accidental bending that affects fuel delivery.
Can I straighten a damaged injection line?
High-pressure fuel injection lines should be replaced if damaged or bent. Altering the shape of the line can affect performance and reliability.
Do I need any related parts?
Inspect the injector connector tube, injection pump fittings, fuel injectors, and adjacent fuel lines during installation and replace worn components as necessary.
