Product Description
Interstate-McBee M-3930906 Valve Cover Gasket – 89–98 5.9L Cummins (12-Valve)
Premium aftermarket valve cover gasket from Interstate-McBee for 1989–1998 Dodge Ram 2500/3500 trucks equipped with the 5.9L Cummins 12-valve (6BT). Direct-fit replacement that restores a proper seal and helps stop oil seepage. Sold individually; order 6 gaskets to reseal all covers.
- Direct-fit replacement: OEM-style dimensions for a reliable seal.
- Aftermarket value: Interstate-McBee quality at a lower cost than OEM.
- Service-friendly: Sold per cover so you can replace one or all six.
Specifications
| Interstate-McBee Part | M-3930906 |
|---|---|
| OEM Cross-References | 3930906, 3902666, 3902492, 3902494 |
| Position | Valve/Rocker Cover Gasket (per cover) |
| Quantity Required | 6 per engine for a full reseal |
| Sold As | Individual gasket |
Vehicle Fitment
Always confirm with your engine serial number (ESN) for edge-case builds.
- Dodge Ram 2500/3500 with 5.9L Cummins 12-Valve (6BT)
- Model Years: 1989–1998
- Also commonly used on Cummins 4BT 3.9L and other B-Series applications (verify by ESN/application).
Install Notes
- Clean mating surfaces thoroughly; remove all old gasket material and oil residue.
- Inspect cover straightness; replace bent/damaged covers before sealing.
- Torque fasteners per the Cummins service manual and follow recommended patterns.
Warranty
Interstate-McBee new parts include manufacturer warranty coverage. Contact us for assistance with coverage details for gasket components.
Why Buy From CPP Diesel
- Diesel experts with ESN-verified fitment support.
- Fast shipping and hassle-free returns.
- Stocked B-Series essentials to finish the job right.
FAQ
How many gaskets do I need for a complete reseal?Six. 12-valve 5.9L engines use six individual valve covers—order one gasket per cover.
Will this fit my 24-valve (1998.5–2002) Cummins?
No. This part is for 1989–1998 12-valve 5.9L (6BT). For 24-valve ISB applications, use the correct ISB-specific gasket set.
Is this an OEM Cummins part?
This is a premium aftermarket Interstate-McBee replacement that matches OEM fit and function. OEM Cummins p/n is 3930906.
Does this work on 4BT industrial engines?
Often, yes—this gasket is commonly used on B-Series (including 4BT 3.9L). Always verify by ESN/application.
Product Videos
Custom Field
YEAR 1989-1998
MAKE DODGE
ENGINE 5.9L
