Product Description
Interstate-McBee M-3802967 Exhaust Valve Kit — 1998.5–2004 5.9L Cummins 24-Valve (ISB)
High-quality aftermarket exhaust valve kit engineered to meet OE form, fit, and function for the 5.9L Cummins ISB (24-valve) used in 1998.5–2004 Dodge Ram 2500/3500. Ideal for stock refreshes and routine cylinder-head service. Sold individually.
- OE-style performance: Manufactured to tight tolerances for consistent sealing and durability.
- Direct replacement: Designed for the factory seat and guide geometry on ISB 24-valve heads.
- Service friendly: Pairs well with new seals, keepers/locks, and springs for a complete refresh.
- Value: Interstate-McBee quality at a competitive price point.
Specifications
| Brand | Interstate-McBee |
| Part Number | M-3802967 |
| Application | Exhaust valve kit |
| Engine | 5.9L Cummins ISB (24-valve) |
| Sold As | Each (per exhaust valve position) |
| Qty Required (per engine) | 12 exhaust valves on 24-valve engines |
What’s Included
Kit contents are supplied by Interstate-McBee for P/N M-3802967 and may include the exhaust valve and associated small parts as packaged by the manufacturer. Refer to the product photos/notes on this page for the exact contents.
Vehicle Fitment
Always verify by engine serial number (ESN) when possible.
- Dodge Ram 2500/3500 with 5.9L Cummins ISB (24-valve)
- Model Years: 1998.5–2004
Recommended/Related Parts
- Exhaust valve spring(s)
- Valve stem seal(s)
- Valve keepers/locks
- Intake valve kit(s) for a complete top-end refresh
- Cylinder head gasket and rocker/cover gaskets
Install Notes
- Use a proper valve-spring compressor and wear eye protection.
- Inspect guides, seats, installed height, spring pressure, and keeper fit.
- Service one cylinder at a time; follow the Cummins service manual torque specs and procedures.
- After reassembly, verify valve lash/clearance per factory specification.
Why Buy From CPP Diesel
- ESN-verified fitment support from diesel specialists
- Fast shipping, easy returns, competitive pricing
- Deep inventory of complementary ISB valvetrain components
FAQ
Will this fit my 1999–2002 24-valve Cummins?
Yes. This listing covers ISB 24-valve engines from 1998.5 through 2004. For edge cases, confirm with your ESN.
How many kits do I need?
The 24-valve 5.9L uses 12 exhaust valves (one per exhaust valve position). Kits are sold individually.
Does this include keepers/locks and seals?
Check the “What’s Included” section and product photos/notes on this page for the exact contents. Add seals, springs, and keepers as needed.
Is this compatible with performance springs?
Yes, provided installed height and retainer/keeper compatibility are verified. Always measure and follow manufacturer specs.
