CUMMINS 3926103 GENUINE OEM FUEL INJECTOR RETURN LINE FOR 1994-1998 5.9L CUMMINS

The Cummins 3926103 fuel injector return line is a genuine OEM replacement part designed for 1994-1998 Dodge Ram Cummins 5.9L 12-valve diesel engines. This return line routes excess fuel safely back to the tank, preventing leaks and ensuring consistent injector performance.

Cracked, worn, or leaking return lines can cause hard starts, poor idle quality, and fuel loss. Replace with this direct-fit OEM Cummins part for long-lasting reliability.

Features & Benefits

• OEM Quality: Genuine Cummins engineering for proper fit and sealing.
• Restores Reliability: Prevents injector fuel leaks and return issues.
• Durable Build: Designed to handle diesel fuel system pressures and vibration.

Fitment

• 1994-1998 Dodge Ram 2500/3500 with 5.9L Cummins 12V

Cross Reference Part Numbers

• Cummins 3926103

Frequently Asked Questions

What does the fuel injector return line do?

It carries unused fuel back to the tank, preventing injector flooding and maintaining fuel system efficiency.

When should I replace the return line?

If you notice wet spots, fuel leaks, or difficulty starting, it's time to replace the return line.

Is this a genuine Cummins part?

Yes, this is a genuine OEM Cummins fuel return line, not an aftermarket reproduction.

Detailed Fitment

• 1994 Dodge Ram 2500/3500 5.9L Cummins
• 1995 Dodge Ram 2500/3500 5.9L Cummins
• 1996 Dodge Ram 2500/3500 5.9L Cummins
• 1997 Dodge Ram 2500/3500 5.9L Cummins
• 1998 Dodge Ram 2500/3500 5.9L Cummins

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