Product Description
The CUMMINS 3943769 OEM #3 FUEL INJECTION LINE is designed for 1998.5–2002 Dodge Ram trucks equipped with the 5.9L 24-valve Cummins diesel engine. This genuine Cummins high-pressure injection line delivers fuel from the VP44 injection pump to cylinder number three while maintaining proper fuel delivery, fitment, and reliability.
Use this OEM replacement line when repairing damaged, corroded, leaking, or cracked fuel injection tubing. 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 #3 fuel injection line
- Designed for VP44-equipped 5.9L Cummins engines
- Direct-fit replacement for factory fuel system components
- Maintains proper high-pressure fuel delivery
- Precision-formed for OEM fit and routing
- Ideal for repair, maintenance, 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 3943769 OEM #3 Fuel Injection Line
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3943769
- VP44 Fuel Injection Pump Components
- Fuel Injector Connector Tubes
- Fuel Injector Installation Hardware
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3943769
- Part Type: Fuel Injection Line
- Cylinder Location: #3
- Fuel System Type: VP44 High-Pressure 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 fuel injection line fit my truck?
This injection line 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 fuel line?
Yes. Cummins 3943769 is a genuine OEM fuel injection line manufactured to Cummins specifications.
What cylinder does this line serve?
This fuel injection line is designed for cylinder number three (#3).
Why should a damaged injection line be replaced?
Damaged, bent, cracked, or leaking injection lines can affect fuel delivery, engine performance, starting characteristics, and reliability.
Can I bend this line to fit another application?
No. High-pressure injection lines are precision-formed and should only be installed in their intended application.
Do I need any related parts?
Inspect the injector connection nuts, fuel injectors, connector tubes, injection pump fittings, and adjacent fuel lines during installation and replace worn components as necessary.