Product Description
Cummins 4955210 — Genuine Exhaust Valve for ISB 5.9L & 6.7L
MPN: 4955210 | Also Known As: exhaust valve kit, valve with keepers/collets | Applications: ISB/QSB 5.9 & 6.7 automotive and industrial
Genuine Cummins exhaust valve engineered to maintain proper sealing and flow under high heat and turbocharged pressure. Direct-fit for 24-valve 5.9L (1998.5–2007) and 6.7L (2007.5–2018) Ram applications. Sold individually; 12 exhaust valves required per engine.
Features & Benefits
- OE geometry & heat-resistant alloys for durability in high-temp conditions.
- Factory tolerances ensure proper seat contact and long service life.
- Drop-in fit for ISB 24-valve cylinder heads (5.9 CR/VP44 and 6.7).
- Stabilizes compression & EGT control by restoring exhaust sealing.
- Backed by Cummins quality for fit, function, and reliability.
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1998.5–2002 | Ram 5.9L ISB (24V VP44) | Ram 2500/3500 |
| 2003–2007 | Ram 5.9L ISB (24V Common-Rail) | Ram 2500/3500 |
| 2007.5–2018 | Ram 6.7L ISB (24V Common-Rail) | Ram 2500/3500 |
Industrial/Off-Highway: ISB/QSB 5.9 & 6.7 variants. Verify by ESN before ordering.
Compatibility Notes:
- Intended for 24-valve cylinder heads. 12-valve engines (1989–1998) use different valves.
- Quantity per engine: 12 exhaust valves (sold individually).
- Always confirm by VIN/ESN if your head has been replaced or modified.
Specifications
- Type: Exhaust valve (24-valve ISB head)
- OE Part Number: 4955210
- Platform: Cummins ISB/QSB 5.9 & 6.7 (automotive & industrial)
- Quantity Required: 12 per engine (sold individually)
- Cross-References (for identification): PAI 192141 (kit), related Cummins valve kit 3802967 (family reference)
Often Paired With
- Valve stem seals: 3955393 (commonly used intake/exhaust seal, 24 required) · 3955394 (exhaust-specific per some catalogs)
- Valve springs/keepers: OE-spec components recommended when rebuilding the head
- Head gasket set: Replace if the head is removed for valve service
What’s In The Box
- (1) Genuine Cummins Exhaust Valve (4955210)
- Related seals/springs sold separately (see “Often Paired With”).
Installation Tips
- Inspect valve seats and guides; recondition or replace as needed.
- Check installed height and spring pressure to OE spec.
- Use new valve stem seals and lubricate stems during assembly.
- Verify lash after warm-up and recheck after the initial heat cycle.
FAQ
WILL THIS FIT MY 1998.5–2018 5.9L/6.7L CUMMINS RAM?
Yes—4955210 is used across 24-valve 5.9L (1998.5–2007) and 6.7L (2007.5–2018) applications. Confirm by VIN/ESN if your cylinder head has been changed.
HOW MANY DO I NEED?
There are 12 exhaust valves per engine. This part is sold individually.
DO I NEED NEW VALVE STEM SEALS?
Yes—best practice is to replace seals during valve service. Common choices include 3955393 (often listed for all 24 valves) or 3955394 (exhaust-specific in some catalogs).
IS THIS A GENUINE CUMMINS PART?
Yes—this is an OEM Cummins exhaust valve.
WHAT ENGINES OUTSIDE TRUCKS USE THIS VALVE?
It appears on various ISB/QSB 5.9 & 6.7 industrial builds. Always verify by ESN before ordering for industrial equipment.
