Product Description
Genuine Cummins
Cummins 3802356 — Exhaust Valve for 4BT/6BT B-Series (Ram 5.9L 12-Valve)
MPN: 3802356 | Also Known As: exhaust poppet valve | Cross-Refs (ID only): 3802006, 3920868, Chrysler 4429109
Why This Part
- ✓ OE metallurgy & seat interface for reliable sealing under heat & load.
- ✓ Direct-fit for Cummins B-Series 2-valve heads (Ram 5.9L 12-valve applications).
- ✓ Restores performance when valves are burned, pitted, or recessed.
- ✓ Sold individually — 6 required per 12-valve 5.9L engine.
OE Fit 2-Valve Head 6 Per Engine
Quick Specs
| Type | Exhaust valve (poppet) |
|---|---|
| OE Part # | 3802356 (cross-refs: 3802006, 3920868) |
| Head Ø | ~1.654" (42.0 mm) |
| Stem Ø | ~0.3138" (7.97 mm) |
| Overall Length | ~5.076" (129 mm) |
| Qty Required | 6 per engine (sold individually) |
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1989–1998 | 5.9L Cummins 12-Valve (6BT) — 2-valve head | Dodge Ram 2500/3500 |
Industrial/Off-Highway: Common on 4B/6B series (e.g., 3.9L 4BT, 5.9L 6BT). Always verify by ESN.
Often Paired With
- Valve locks/keepers: 3900250 (2 per valve)
- Valve stem seals (exhaust)
- Valve springs & retainers (inspect free height & seat pressure)
- Head gasket set if the head is being removed
What’s In The Box
- (1) Genuine Cummins Exhaust Valve (3802356)
- Related hardware sold separately (see “Often Paired With”).
Install Tips
- Measure seat width, stem-to-guide clearance, and valve margin; reface/seat-cut as needed.
- Lap lightly only if required; clean abrasives thoroughly.
- Always replace locks/keepers; verify installed height and spring pressure.
FAQ
WILL THIS FIT MY 1989–1998 5.9L 12-VALVE CUMMINS RAM?Yes—this exhaust valve fits the 2-valve B-Series head used on 1989–1998 5.9L Cummins Ram 2500/3500. Always verify by ESN.
HOW MANY DO I NEED?Six (6) exhaust valves per 12-valve 5.9L engine. This listing is for one valve.
WHAT ARE THE TYPICAL DIMENSIONS?Head diameter ~1.654", stem ~0.3138", length ~5.076". Dimensions may vary slightly by manufacturer batch—check your service data.
IS THIS A GENUINE CUMMINS PART?Yes—this is an OE Cummins exhaust valve (3802356).
WHAT ARE THE COMMON CROSS-REFERENCES?3802006 and 3920868 are commonly listed as related/interchange numbers; Chrysler references include 4429109.
