Product Description
Cummins 3923090 OEM Fuel Supply Line to Fuel Pre-Heater – Ram 5.9L 12V (1994–1998)
The Cummins 3923090 OEM Fuel Supply Line to Fuel Pre-Heater is a genuine Cummins replacement fuel system component designed for 1994–1998 Dodge Ram trucks equipped with the legendary 5.9L 12-Valve Cummins diesel engine. This factory-style fuel line connects the fuel supply circuit to the fuel pre-heater assembly, ensuring proper fuel delivery and helping maintain reliable cold-weather fuel system operation.
Manufactured to Cummins OEM specifications, the 3923090 fuel supply line provides the correct fit, routing, and durability required to restore aging or damaged fuel system components. Whether you're performing a fuel system repair, restoration, or preventative maintenance on your 12-valve Cummins, this genuine replacement part helps maintain factory performance and reliability.
Features
- Genuine Cummins OEM replacement component
- Direct replacement for the factory fuel supply line
- Connects fuel supply circuit to fuel pre-heater assembly
- Designed to maintain proper fuel flow and system operation
- Restores factory fuel system reliability
- Built to Cummins original equipment specifications
- Precision-formed for proper fit and routing
- Durable construction for long service life
- Ideal for repairs, restorations, and preventative maintenance
Fitment
- 1994 Dodge Ram 2500 5.9L Cummins 12-Valve Diesel
- 1995 Dodge Ram 2500 5.9L Cummins 12-Valve Diesel
- 1996 Dodge Ram 2500 5.9L Cummins 12-Valve Diesel
- 1997 Dodge Ram 2500 5.9L Cummins 12-Valve Diesel
- 1998 Dodge Ram 2500 5.9L Cummins 12-Valve Diesel
- 1994 Dodge Ram 3500 5.9L Cummins 12-Valve Diesel
- 1995 Dodge Ram 3500 5.9L Cummins 12-Valve Diesel
- 1996 Dodge Ram 3500 5.9L Cummins 12-Valve Diesel
- 1997 Dodge Ram 3500 5.9L Cummins 12-Valve Diesel
- 1998 Dodge Ram 3500 5.9L Cummins 12-Valve Diesel
Note: Verify part number 3923090 and vehicle application before ordering. Inspect all fuel system components during installation and replace damaged fittings or seals as necessary.
What's Included
- One Genuine Cummins 3923090 Fuel Supply Line
Specifications
- Manufacturer: Cummins
- Part Number: 3923090
- Product Type: Fuel Supply Line
- System Location: Fuel Supply Line to Fuel Pre-Heater
- Engine Compatibility: Cummins 5.9L 12-Valve Diesel
- Model Years: 1994–1998
- Fuel Type: Diesel
- OEM Replacement: Yes
- Application: Dodge Ram 2500 and 3500
- Installation Type: Direct Replacement
- Condition: New Genuine Cummins Component
Cross Reference Numbers
3923090, Cummins 3923090, OEM Fuel Supply Line, 12-Valve Fuel Supply Line, P-Pump Fuel Line, Ram Fuel Pre-Heater Line
FAQ
What does the Cummins 3923090 fuel line connect?
This OEM fuel line connects the fuel supply system to the factory fuel pre-heater assembly on 1994–1998 5.9L 12-valve Cummins engines.
Will this fit my 1997 Dodge Ram 2500 Cummins?
Yes. The Cummins 3923090 is designed for 1994–1998 Dodge Ram 2500 and 3500 trucks equipped with the 5.9L 12-valve Cummins diesel engine.
Is this a genuine Cummins part?
Yes. This is a genuine Cummins OEM replacement component designed to meet original factory specifications.
Why should I replace my fuel supply line?
Over time, fuel lines can become damaged, corroded, restricted, or develop leaks. Replacing worn fuel system components helps maintain proper fuel delivery and engine reliability.
Does this include fittings or seals?
Please verify package contents before installation. Additional seals, fittings, or related fuel system components may be required depending on the condition of the existing system.
Is this part emissions compliant?
Yes. This OEM-style replacement component is designed to restore the factory fuel system configuration and operation.
