Interstate-McBee M-3954324 Valve Cover Gasket – 03–04 5.9L Cummins (ISB 24V)

Direct-fit valve/rocker cover gasket engineered to OEM specs for 2003–2004 Dodge Ram 2500/3500 5.9L Cummins (ISB 24V). Interstate-McBee delivers an OEM-style seal that helps prevent oil leaks and maintains engine cleanliness—ideal for routine service or top-end repairs. Cross-reference: Cummins 3954324.

• OEM-equivalent fit: Direct replacement for Cummins 3954324.
• Quality materials: Precision-cut gasket for durable, leak-free sealing.
• Aftermarket value: Interstate-McBee performance at a fraction of OEM pricing.
• Straightforward install: Designed to seat in the factory cover channel.

Specifications

Vehicle Fitment

Always verify with your engine serial number (ESN) for exact compatibility.

• Dodge Ram 2500/3500 – 5.9L Cummins ISB (24-Valve)
  • Model years: 2003–2004

Fitment note: Many catalogs list this gasket for 2003–2005 5.9L Cummins. If you have a late-build 2004 or 2005, verify by ESN/build date to confirm this profile matches your valve cover.

Install Notes

• Clean the cover and head mating surfaces thoroughly—remove all old gasket material and oil residue.
• Seat the new gasket evenly in the cover channel; avoid twisting or stretching.
• Follow the Cummins service manual for bolt torque and tightening sequence.
• Sealants are generally not required unless specified by the service manual for corner joints.

Warranty

Interstate-McBee new engine gaskets include manufacturer warranty coverage. For specific terms and eligibility, contact us with your order details.

Cross-Reference

Replaces/compatible with: Cummins 3954324. Also referred to as an “upper rocker cover gasket.”

Why Buy From CPP Diesel

• ESN-verified fitment support from real diesel techs
• Fast shipping and easy returns
• Curated B-Series inventory to complete the job right

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