Product Description
The CUMMINS 3905307 OEM FUEL INJECTOR RETURN LINE BANJO BOLT is designed for 1989–1998 5.9L 12-valve Cummins diesel engines. This genuine Cummins banjo bolt secures the injector return line system and helps maintain proper fuel return flow from the injectors back to the fuel system.
Use this part when repairing fuel leaks, replacing damaged fuel return hardware, servicing injector return lines, or restoring factory fuel system reliability. Always verify fitment by engine serial number before ordering.
FEATURES
- Genuine Cummins OEM fuel injector return line banjo bolt
- Direct-fit replacement for factory fuel return systems
- Designed for 5.9L 12-valve Cummins applications
- Helps maintain proper fuel return flow and sealing
- Ideal for fuel system repair, maintenance, or restoration
FITMENT
- 1989–1993 Dodge Ram D/W 250 and D/W 350 5.9L Cummins 12-Valve
- 1994–1998 Dodge Ram 2500/3500 5.9L Cummins 12-Valve
- Select Cummins 6BT industrial and commercial applications
WHAT'S INCLUDED
- 1 Cummins 3905307 OEM Fuel Injector Return Line Banjo Bolt
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3905307
- Cummins Injector Return Line Components
- Cummins Fuel Injector Sealing Washers
- Cummins Fuel Return Line Hardware
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3905307
- Part Type: Fuel Injector Return Line Banjo Bolt
- Engine Compatibility: 5.9L Cummins 12-Valve (6BT)
- Fitment Years: 1989–1998
- Vehicle Application: Dodge Ram 250, 350, 2500, and 3500
- Condition: New OEM Cummins
- Fuel System Component: Yes
- Installation Type: Direct Replacement
FAQ
Will this banjo bolt fit my truck?
This part fits many 1989–1998 5.9L 12-valve Cummins applications. Always verify fitment by engine serial number before ordering.
What does this banjo bolt do?
This banjo bolt secures the injector return line assembly and allows fuel to return from the injectors back into the fuel system.
Is this a genuine Cummins part?
Yes. Cummins 3905307 is a genuine OEM replacement component manufactured to factory specifications.
When should this banjo bolt be replaced?
Replace the banjo bolt if it is damaged, corroded, stripped, or if fuel leakage is present around the injector return line connection.
Should sealing washers be replaced during installation?
Yes. New sealing washers are recommended whenever fuel return line connections are serviced to help prevent leaks.
Do I need any related parts?
Inspect injector return hoses, sealing washers, fuel fittings, and related hardware during installation and replace worn components as needed.
