Product Description
The CUMMINS 3943773 OEM #5 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 fuel injection line delivers fuel from the injection pump to the number five injector while maintaining proper fuel system operation, OE fitment, and long-term reliability.
Use this part when replacing a damaged, leaking, corroded, or bent injector line. Proper fuel line condition is critical for maintaining injection timing, fuel delivery, and engine performance. Always verify fitment by part number and engine application before ordering.
FEATURES
- Genuine Cummins OEM fuel injection line
- Designed specifically for the number five cylinder injector
- Direct-fit replacement for factory fuel system components
- Helps maintain proper fuel delivery and injection performance
- Manufactured to Cummins OEM specifications
- Ideal for fuel system repair and restoration
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 applications
WHAT'S INCLUDED
- 1 Cummins 3943773 OEM #5 Fuel Injection Line
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3943773
- Cummins Fuel Injector Lines
- VP44 Injection Pump Components
- Fuel Injector Connector Tube Components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3943773
- Part Type: Fuel Injection Line
- Cylinder Location: Number 5
- Engine Compatibility: 5.9L Cummins 24-Valve
- Fitment Years: 1998.5–2002
- Vehicle Application: Dodge Ram 2500 / 3500
- Fuel System: VP44
- 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. Always verify fitment before ordering.
Is this a genuine Cummins part?
Yes. Cummins 3943773 is a genuine OEM Cummins fuel injection line.
What cylinder does this line serve?
This fuel line is designed for the number five cylinder injector position.
When should an injector line be replaced?
Replacement is recommended if the line is leaking, cracked, excessively corroded, damaged, or has been improperly bent during service.
Can a damaged injector line affect engine performance?
Yes. A leaking or restricted injection line can cause poor fuel delivery, rough engine operation, hard starting, and reduced performance.
Do I need any related parts?
Inspect the remaining injector lines, injectors, connector tubes, fuel return components, and injection pump connections during service and replace worn components as needed.
