CUMMINS 3918188 GENUINE OEM FUEL INJECTOR RETURN LINE SEALING WASHER | 19891998 DODGE RAM 5.9L CUMMINS DIESEL

The Cummins 3918188 Seal is a genuine OEM part engineered for precise fit and long-term reliability on Dodge Ram Cummins applications.

Fitment

Refer to the product title for supported years and engine applications.

Key Features

• Genuine Cummins OEM part number 3918188
• Direct-fit seal built to factory specifications
• Durable materials for heat, pressure, and vibration
• Ideal for maintenance, repairs, or rebuilds

Frequently Asked Questions

When should I replace this seal?

If you notice oil leakage or during related service like timing cover work.

Does this include an install tool?

Refer to the contents listing; some kits include tools, others do not.

Is this OEM?

Yes genuine Cummins for durability and fit.

Related Categories

• /gaskets-and-seals/
• /cummins-fuel-injectors/
• /dodge-cummins/
• /engine-parts/

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