Product Description
The CUMMINS 4942278 OEM FUEL INJECTOR RETURN LINE BANJO SEAL (WASHER) is designed for 1994–1998 Dodge Ram trucks equipped with the 5.9L 12-valve Cummins diesel engine. This genuine Cummins sealing washer is used on the injector return line banjo connection to help maintain a leak-free fuel return system and proper fuel system operation.
Use this part when servicing injector return lines, replacing fuel system components, repairing fuel leaks, or performing injector maintenance. Always verify fitment by application and part number before ordering.
FEATURES
- Genuine Cummins OEM sealing washer
- Designed for injector return line banjo connections
- Helps prevent fuel leaks at banjo fittings
- Direct-fit replacement for factory-installed seal
- Built for reliable sealing performance and durability
- Recommended during injector and fuel return line service
FITMENT
- 1994–1998 Dodge Ram 2500 5.9L Cummins 12-Valve
- 1994–1998 Dodge Ram 3500 5.9L Cummins 12-Valve
- Bosch P7100 injection pump-equipped applications
WHAT'S INCLUDED
- 1 Cummins 4942278 OEM Fuel Injector Return Line Banjo Seal (Washer)
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 4942278
- Injector Return Line Hardware
- Banjo Bolts and Fuel Return Fittings
- Fuel Injector Service Components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 4942278
- Part Type: Fuel Injector Return Line Banjo Seal Washer
- System: Fuel Return System
- Engine Compatibility: 5.9L Cummins 12-Valve
- Fitment Years: 1994–1998
- Vehicle Application: Dodge Ram 2500 / 3500
- Condition: New OEM Cummins
- Installation Type: Direct Replacement
- Quantity: Sold Individually
FAQ
Will this part fit my truck?
This sealing washer fits many 1994–1998 Dodge Ram 2500 and 3500 trucks equipped with the 5.9L 12-valve Cummins engine. Always verify fitment before ordering.
What does this washer do?
This washer seals the injector return line banjo fitting to help prevent fuel leaks and maintain proper fuel return system operation.
Is this a genuine Cummins part?
Yes. Cummins 4942278 is a genuine OEM Cummins sealing washer.
Should I replace the washer when servicing the injector return line?
Yes. Replacing sealing washers during fuel system service is recommended to help ensure a leak-free installation.
How many washers will I need?
The quantity required depends on the specific repair being performed. Inspect all return line connections and replace sealing washers as necessary.
Do I need any related parts?
Inspect banjo bolts, return line fittings, injector return hoses, and related fuel system hardware during installation and replace worn components as needed.
