CUMMINS 3905307 GENUINE OEM FUEL INJECTOR RETURN LINE BANJO BOLT FOR 1989–1998 5.9L CUMMINS

The Cummins 3905307 banjo bolt is a genuine OEM fastener designed for the fuel injector return line on 1989–1998 Dodge Ram Cummins 5.9L 12-valve diesel engines. This bolt secures the return line banjo fitting, ensuring a leak-free connection and reliable fuel system performance.

Using the correct banjo bolt prevents fuel leaks, poor fuel return, and injector issues. Genuine Cummins hardware guarantees proper thread pitch, sealing surface, and long-term durability.

Features & Benefits

• OEM Quality: Manufactured by Cummins for exact fitment and reliability.
• Leak-Free Seal: Secures injector return lines to prevent fuel seepage.
• Durable Construction: Built to withstand diesel fuel system pressure and vibration.

Fitment

• 1989–1993 Dodge Ram 2500/3500 5.9L Cummins 12V
• 1994–1998 Dodge Ram 2500/3500 5.9L Cummins 12V

Cross Reference Part Numbers

• Cummins 3905307

Frequently Asked Questions

What does a banjo bolt do in the fuel return system?

It clamps the banjo fitting to the injector return line, allowing fuel to return to the tank while maintaining a tight seal.

Should I replace washers with the banjo bolt?

Yes. Always replace sealing washers when changing banjo bolts to prevent leaks. See our Cummins Fuel Injectors category for related sealing parts.

Is this a genuine Cummins banjo bolt?

Yes. This is an OEM Cummins part, ensuring perfect fit and long service life.

Tags

cummins 3905307, injector return line banjo bolt, cummins fuel banjo bolt, 5.9 cummins injector banjo bolt, dodge ram cummins banjo bolt, injector fuel return bolt, diesel fuel line bolt