Product Description
Cummins 3918880 OEM Fuel Supply Tube (Lift Pump to Filter) – Ram 5.9L 12V (1994–1998)
The Cummins 3918880 OEM Fuel Supply Tube is a genuine Cummins replacement fuel line designed to connect the lift pump to the fuel filter housing on 1994–1998 Dodge Ram trucks equipped with the legendary 5.9L 12-Valve Cummins diesel engine. Manufactured to original equipment specifications, this fuel supply tube ensures proper fuel delivery, leak-free performance, and dependable operation for stock and restored applications.
Over time, factory fuel tubes can become damaged, corroded, or develop leaks that negatively affect fuel system performance. Replacing worn fuel lines with a genuine Cummins 3918880 fuel supply tube helps restore proper fuel flow and maintain the reliability that Cummins-powered trucks are known for.
Features
- Genuine Cummins OEM replacement component
- Direct replacement for the factory fuel supply tube
- Connects lift pump to fuel filter housing
- Manufactured to original Cummins specifications
- Helps restore proper fuel system operation
- Durable steel construction for long service life
- Leak-free OEM fit and function
- Designed for dependable fuel delivery
- Ideal for repairs, maintenance, and restorations
- Maintains factory fuel system integrity
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 your engine serial number and fuel system configuration before ordering. This fuel tube is designed for applications utilizing the factory mechanical lift pump and OEM fuel filter housing configuration.
What's Included
- Cummins 3918880 OEM Fuel Supply Tube
Specifications
- Manufacturer: Cummins
- Part Number: 3918880
- Product Type: Fuel Supply Tube
- Location: Lift Pump to Fuel Filter Housing
- Material: OEM Steel Fuel Line Construction
- Engine: 5.9L Cummins 12-Valve
- Fuel System: Mechanical Lift Pump
- Fuel Type: Diesel
- Fitment Years: 1994–1998
- Application: Dodge Ram 2500 and 3500
- OEM Replacement: Yes
Cross Reference Numbers
3918880, Cummins 3918880, OEM Fuel Supply Tube, Lift Pump to Filter Fuel Line, 12-Valve Cummins Fuel Tube
FAQ
What does the Cummins 3918880 fuel supply tube connect?
This fuel supply tube connects the factory lift pump to the fuel filter housing on 1994–1998 Dodge Ram trucks equipped with the 5.9L 12-Valve Cummins engine.
Is this a genuine Cummins part?
Yes. The 3918880 is a genuine Cummins OEM replacement component designed to meet original factory specifications.
Will this fit all 12-valve Cummins trucks?
This part is designed for 1994–1998 Dodge Ram 2500 and 3500 applications equipped with the 5.9L 12-Valve Cummins diesel engine. Always verify fitment before ordering.
Why should I replace my fuel supply tube?
Damaged, rusted, or leaking fuel tubes can reduce fuel system performance and reliability. Replacing worn lines helps maintain proper fuel delivery and prevent leaks.
Is this a direct-fit replacement?
Yes. The Cummins 3918880 is designed as a direct OEM replacement for the factory fuel supply tube in applicable vehicles.
Can this help fix fuel leaks?
If the existing fuel tube is cracked, corroded, or damaged, replacing it with a genuine Cummins fuel supply tube can help restore proper sealing and eliminate fuel leaks.
