Product Description
Cummins 3928404 OEM Valve Cover – 5.9L 12-Valve Cummins (1989–1998)
The Cummins 3928404 OEM Valve Cover is a genuine replacement valve cover designed for 1989–1998 Dodge Ram trucks equipped with the legendary 5.9L 12-valve Cummins diesel engine. Manufactured to meet original Cummins specifications, this valve cover helps protect valvetrain components from dirt, debris, and contaminants while maintaining a clean, factory-correct engine appearance.
Whether you're performing a restoration, replacing a damaged cover, or maintaining your 12-valve Cummins for long-term reliability, the Cummins 3928404 valve cover delivers the fit, durability, and quality expected from an OEM Cummins component. Designed for direct replacement installation, it helps preserve engine protection and maintain the original look of your engine bay.
Features
- Genuine Cummins OEM replacement valve cover
- Direct replacement for factory-installed valve cover
- Designed specifically for 5.9L 12-valve Cummins engines
- Helps protect valvetrain components from contaminants
- Durable construction for long service life
- Maintains factory engine appearance
- OEM fit and function
- Ideal for maintenance, repairs, and restorations
- Engineered to Cummins factory specifications
- Designed for reliable sealing and protection
Fitment
- 1989 Dodge Ram 2500 5.9L 12-Valve Cummins
- 1989 Dodge Ram 3500 5.9L 12-Valve Cummins
- 1990 Dodge Ram 2500 5.9L 12-Valve Cummins
- 1990 Dodge Ram 3500 5.9L 12-Valve Cummins
- 1991 Dodge Ram 2500 5.9L 12-Valve Cummins
- 1991 Dodge Ram 3500 5.9L 12-Valve Cummins
- 1992 Dodge Ram 2500 5.9L 12-Valve Cummins
- 1992 Dodge Ram 3500 5.9L 12-Valve Cummins
- 1993 Dodge Ram 2500 5.9L 12-Valve Cummins
- 1993 Dodge Ram 3500 5.9L 12-Valve Cummins
- 1994 Dodge Ram 2500 5.9L 12-Valve Cummins
- 1994 Dodge Ram 3500 5.9L 12-Valve Cummins
- 1995 Dodge Ram 2500 5.9L 12-Valve Cummins
- 1995 Dodge Ram 3500 5.9L 12-Valve Cummins
- 1996 Dodge Ram 2500 5.9L 12-Valve Cummins
- 1996 Dodge Ram 3500 5.9L 12-Valve Cummins
- 1997 Dodge Ram 2500 5.9L 12-Valve Cummins
- 1997 Dodge Ram 3500 5.9L 12-Valve Cummins
- 1998 Dodge Ram 2500 5.9L 12-Valve Cummins
- 1998 Dodge Ram 3500 5.9L 12-Valve Cummins
Note: Verify your engine serial number and existing valve cover configuration before ordering. Some applications may require additional hardware or replacement gaskets depending on installation requirements.
What's Included
- Cummins 3928404 OEM Valve Cover
Specifications
- Manufacturer: Cummins
- Part Number: 3928404
- Product Type: Valve Cover
- Engine Compatibility: 5.9L 12-Valve Cummins Diesel
- Engine Years: 1989–1998
- Fuel Type: Diesel
- Installation Type: Direct Replacement
- Material: OEM Cummins Construction
- Fitment: Dodge Ram 2500 and 3500 Applications
- Application: Engine Maintenance and Repair
- Condition: New Genuine Cummins OEM Part
Cross Reference Numbers
3928404, Cummins 3928404, OEM Cummins Valve Cover, 12-Valve Valve Cover, 5.9L Cummins Valve Cover
FAQ
What engines does the Cummins 3928404 valve cover fit?
This valve cover is designed for 1989–1998 5.9L 12-valve Cummins diesel engines commonly found in Dodge Ram 2500 and 3500 trucks.
Is this a genuine Cummins part?
Yes. The 3928404 is a genuine OEM Cummins replacement component designed to meet factory specifications.
Will this valve cover improve engine performance?
The primary purpose of the valve cover is to protect valvetrain components and maintain proper engine sealing. It is not intended as a performance upgrade.
Is this a direct replacement for my factory valve cover?
Yes. The Cummins 3928404 is designed as a direct replacement for compatible 5.9L 12-valve Cummins applications.
Should I replace the gasket during installation?
It is generally recommended to inspect and replace any worn gaskets or seals during valve cover service to help prevent future oil leaks.
Why choose an OEM Cummins valve cover?
OEM Cummins parts are manufactured to original factory standards, ensuring proper fitment, durability, and long-term reliability.