Product Description
Cummins 4955212 — Exhaust Valve Kit for ISB 6.7L
MPN: 4955212 | Also Known As: exhaust valve, valve kit (exhaust) | Application Focus: 2007.5–2018 Ram 6.7L ISB; ISB/QSB6.7 industrial (verify by ESN)
Why This Part
- ✓ OE metallurgy built for exhaust temps and durability (inconel-style valve head).
- ✓ Direct-fit for 6.7L ISB (2007.5–2018) Ram 2500/3500; verify by VIN/ESN.
- ✓ Restores compression sealing and valve timing accuracy.
- ✓ Genuine Cummins quality for long service life.
Quick Specs
| Type | Exhaust Valve Kit |
|---|---|
| OE Part # | 4955212 |
| Fits | Ram 6.7L ISB (2007.5–2018); ISB/QSB6.7 industrial (verify by ESN) |
| Qty Required | 12 exhaust valves per engine (sold individually as kits) |
| Kit Contents | (1) Exhaust valve, (2) valve collets/keepers (typical kit contents) |
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 2007.5–2018 | Ram 6.7L ISB (24V Common-Rail) | Ram 2500/3500 |
Industrial/Off-Highway: Used primarily on EPA13 ISB/QSB 6.7 variants—confirm by ESN before ordering.
Often Paired With
- Valve stem seals: Cummins 3955393 (intake & exhaust, 24 required)
- Intake valves: match by ESN for your cylinder head build
- Head gasket set & head bolts/studs: when the head is removed
What’s In The Box
- (1) Genuine Cummins Exhaust Valve Kit (4955212)
- Typical kit includes (1) valve & (2) collets/keepers; other components sold separately.
Install Tips
- Measure guide & seat condition; machine/lap as needed to factory spec.
- Use new stem seals; verify installed height and spring pressures.
- After assembly, set valve lash to spec and recheck after heat cycle.
FAQ
WILL THIS FIT MY 2007.5–2018 6.7L CUMMINS RAM?Yes—this is the OE exhaust valve kit used on most 2007.5–2018 6.7L ISB Ram applications (verify by VIN/ESN).
HOW MANY EXHAUST VALVES DOES THE ENGINE USE?The 24-valve 6.7L uses 12 exhaust valves total (two per cylinder). This kit is sold individually—order as needed.
WHAT MATERIAL ARE THESE VALVES?They’re engineered for high exhaust temperature duty; sellers list them as inconel-type valves suitable for 6.7L applications.
WHAT ELSE SHOULD I REPLACE DURING A VALVE JOB?Replace valve stem seals (3955393), inspect/replace springs and guides as needed, and always verify lash after reassembly.
IS THIS A GENUINE CUMMINS PART?Yes—OE Cummins 4955212. Cummins’ shop page lists this kit and notes primary use on EPA13 6.7 ISB/QSB engines.
