CUMMINS 3901020 GENUINE OEM PISTON COOLING NOZZLE FOR 89-93 DODGE RAM DIESEL

The Cummins 3901020 Part is a genuine OEM part engineered for precise fit and long-term reliability on Dodge Ram Cummins applications.

Fitment

• 1989 Dodge Ram 2500/3500 with Cummins diesel
• 1990 Dodge Ram 2500/3500 with Cummins diesel
• 1991 Dodge Ram 2500/3500 with Cummins diesel
• 1992 Dodge Ram 2500/3500 with Cummins diesel
• 1993 Dodge Ram 2500/3500 with Cummins diesel

Key Features

• Genuine Cummins OEM part number 3901020
• Direct-fit part built to factory specifications
• Durable materials for heat, pressure, and vibration
• Ideal for maintenance, repairs, or rebuilds

Frequently Asked Questions

Is this an OEM Cummins part?

Yes genuine Cummins for exact fit and reliability.

Will it fit my truck?

See the Fitment list for supported years/engines.

Installation tips?

Use factory torque specs and procedures for best results.

Related Categories

• /dodge-cummins/
• /engine-parts/
• /cooling-system-0307/

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