Product Description
Genuine Cummins
Cummins 3929792 — Engine Oil Cooler Gasket (Cooler → Filter Head)
MPN: 3929792 | Also Known As: filter head gasket, oil cooler cover gasket | Position: Oil cooler to oil filter head (interface seal)
Why This Part
- ✓ OE sealing for the cooler-to-filter head joint on 5.9L 12-valve B-Series.
- ✓ Direct-fit for 1989–1996 Dodge Ram 5.9L Cummins (verify by VIN/ESN).
- ✓ Helps prevent oil leaks & pressure loss after service.
- ✓ Genuine Cummins quality for long service life.
OE Fit Stock Replacement 1 Per Engine
Quick Specs
| Type | Engine oil cooler gasket (cooler → filter head) |
|---|---|
| OE Part # | 3929792 |
| Qty Required | 1 per engine (sold individually) |
| Companion Gasket | 4932124 (cooler → block), sold separately |
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1989–1996 | Ram 5.9L Cummins 6BT (12-Valve) | D250/D350 (’89–’93), Ram 2500/3500 (’94–’96) |
Industrial/Off-Highway: Also used on select 4BT/6BT B-Series applications—verify by ESN.
Often Paired With
- Oil Cooler Gasket (cooler → block): Cummins 4932124
- Oil Cooler Core: Cummins 3957544 (’89–’02 5.9L)
- Fresh oil & filter after installation (flush any debris)
What’s In The Box
- (1) Genuine Cummins Oil Cooler Gasket — Cooler to Filter Head (3929792)
- Other gaskets/hardware sold separately (see “Often Paired With”).
Install Tips
- Clean mating surfaces; inspect for warpage before assembly.
- Install per Cummins service manual; dry unless otherwise specified.
- Torque to spec in sequence; recheck for leaks after warm-up.
FAQ
WILL THIS FIT MY 1989–1996 5.9L CUMMINS RAM?Yes—this is the OE cooler-to-filter head gasket for 1989–1996 5.9L 12-valve applications (verify by VIN/ESN).
WHAT DOES THIS GASKET SEAL?It seals the interface between the engine oil cooler core and the oil filter head (housing).
DOES IT INCLUDE HARDWARE OR OTHER GASKETS?No—this listing is for one gasket only. Pair with Cummins 4932124 (cooler→block) as needed.
IS THIS A GENUINE CUMMINS PART?Yes—OE Cummins part 3929792 for proper fit and sealing.
DO I NEED SEALANT?Install dry unless the Cummins service procedure specifies otherwise for your ESN.
