CUMMINS 3939355 GENUINE FUEL PUMP GASKET FOR 1989-1993 5.9L CUMMINS

The Cummins 3939355 fuel pump gasket is a factory OEM part for 1989-1993 Dodge Ram 5.9L Cummins 12-valve engines. This gasket ensures a proper seal for the VE rotary fuel injection pump, preventing fuel and oil leaks at the mounting flange.

Worn or damaged gaskets can cause fuel seepage, pressure loss, and potential air intrusion in the fuel system. Replacing with a genuine Cummins gasket ensures leak-free operation and reliable performance.

Features & Benefits

• OEM Fit: Designed specifically for VE injection pump applications.
• Leak Prevention: Provides a secure seal at the fuel pump mounting surface.
• Durable Construction: Built to handle diesel fuel, vibration, and pressure changes.

Fitment

• 1989 Dodge Ram 2500/3500 5.9L Cummins 12V (VE Pump)
• 1990 Dodge Ram 2500/3500 5.9L Cummins 12V (VE Pump)
• 1991 Dodge Ram 2500/3500 5.9L Cummins 12V (VE Pump)
• 1992 Dodge Ram 2500/3500 5.9L Cummins 12V (VE Pump)
• 1993 Dodge Ram 2500/3500 5.9L Cummins 12V (VE Pump)

Cross Reference Part Numbers

• Cummins 3939355
• Replaces aftermarket equivalents: M-3939355

Frequently Asked Questions

Do I need to replace this gasket when removing the fuel pump?

Yes. Gaskets should always be replaced once removed to maintain a proper seal.

Does this gasket fit P7100 or VP44 pumps?

No. This gasket is specifically for the VE rotary pump (1989-1993). Other pumps require different gaskets.

Can I reuse this gasket?

No. Once compressed, gaskets cannot be reused. Always install a new OEM gasket.

Maintenance Note

Pro Tip: When replacing this gasket, inspect your injection pump, fuel injectors, and injector sealing washers for wear. Servicing the full fuel system together prevents repeat leaks and ensures reliable performance.

Related Categories

• 1989-1993 Cummins Gaskets & Seals
• Cylinder Head Gaskets
• Timing Gear Case & Covers
• Oil Pans & Components
• All Dodge Cummins Categories

Tags

cummins 3939355, cummins fuel pump gasket, 5.9 cummins ve pump gasket, dodge ram fuel pump gasket, cummins injection pump gasket, 12v cummins gasket, cummins fuel system seal

Fitment

• 1989 Dodge Ram 2500/3500 5.9L Cummins
• 1990 Dodge Ram 2500/3500 5.9L Cummins
• 1991 Dodge Ram 2500/3500 5.9L Cummins
• 1992 Dodge Ram 2500/3500 5.9L Cummins
• 1993 Dodge Ram 2500/3500 5.9L Cummins

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