Product Description
Cummins 3283333 — Cylinder Head Gasket (Standard Thickness) for 3.9L 4BT
MPN: 3283333 | Also Known As: head gasket, cylinder head seal | Cross-Refs (ID only): 3283100; Interstate-McBee M-3283333
Why This Part
- ✓ OE sealing for dependable compression and coolant isolation on 4BT builds.
- ✓ Standard thickness to maintain factory stack-up and compression ratio.
- ✓ Direct-fit replacement when servicing the top end or repairing a blown gasket.
- ✓ Built to Cummins specs for durability under towing and heavy use.
Quick Specs
| Type | Cylinder head gasket (standard thickness) |
|---|---|
| OE Part # | 3283333 |
| Engine | Cummins 3.9L 4BT (B-Series) |
| Qty Required | 1 per engine (sold individually) |
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1989–1998 | Cummins 3.9L 4BT (B-Series) | Common 4BT platforms (step vans/MD trucks/industrial; retrofits). Verify by ESN. |
Industrial/Off-Highway: 4BT and select ISB/QSB applications; some catalogs note Tier-3 6.7L usage—confirm by ESN for non-4BT engines.
Often Paired With
- Head bolts or studs: ARP 4BT head stud kit (popular upgrade when raising boost)
- Top-end gasket set: intake/exhaust, valve cover, coolant seals
- Machine shop checks: head/block flatness & surface finish (RA) before install
What’s In The Box
- (1) Genuine Cummins Cylinder Head Gasket (3283333)
- Hardware/gaskets not included (see “Often Paired With”).
Install Tips
- Inspect deck/head for warp; resurface if out of spec. Clean dowels & threads.
- Use new bolts or quality studs; follow Cummins torque sequence & stages.
- Re-torque as required by fastener type; recheck fluids after first heat cycle.
FAQ
WILL THIS FIT MY 4BT?Yes—this OE head gasket is commonly listed for 1989–1998 3.9L 4BT B-Series applications. Always verify by ESN before ordering.
IS THIS STANDARD THICKNESS?Yes—3283333 is the standard-thickness gasket, preserving factory compression when surfaces are within spec.
DO I NEED STUDS OR ARE BOLTS OK?For stock or mild builds, new OE head bolts can work. For higher boost, head studs are recommended to prevent lift.
WHAT ARE RELATED/ALTERNATE NUMBERS?Common identifiers include 3283100 and aftermarket equivalents like Interstate-McBee M-3283333. Use 3283333 for genuine Cummins.
DOES THIS FIT 6.7L ISB?Some industrial catalogs associate 3283333 with Tier-3 ISB/QSB usage; 6.7L on-highway Rams use different gaskets. Always confirm by ESN.
