Product Description
Interstate-McBee M-3929792 Oil Cooler / Filter Head Gasket — 1989–1997 5.9L Cummins
Direct-fit replacement gasket for the oil cooler/filter head interface on 1989–1997 Dodge Ram trucks equipped with the 5.9L Cummins (12-valve). Designed to seal the cooler housing to the filter head and prevent oil leaks. Sold individually.
- OE-style fit: Matches the factory profile for quick, reliable service.
- Durable materials: Built to withstand heat cycles and oil exposure.
- Leak fix: Ideal when servicing an oil cooler, filter head, or addressing seepage.
Specifications
| Brand | Interstate-McBee |
| Part Number | M-3929792 |
| OEM Reference | Cummins 3929792 |
| Sold As | Each (1 gasket) |
| Location | Oil cooler to filter head interface |
What’s Included
- (1) Oil cooler/filter head gasket, P/N M-3929792
Vehicle Fitment
Always verify by engine serial number (ESN) when possible.
- Dodge Ram 2500/3500 — 5.9L Cummins (12-valve 6BT)
- Model Years: 1989–1997
Install Notes
- Clean both sealing surfaces thoroughly; remove all old gasket material.
- Inspect the cooler and filter head for warpage or damage.
- Follow torque specs and pattern from the Cummins service manual.
- Top off oil and check for leaks after warm-up.
Why Buy From CPP Diesel
- ESN-verified fitment help from diesel specialists
- Fast shipping and easy returns
- Large selection of B-series Cummins service parts
FAQ
Is sealant required?
Typically no—install dry unless your service manual specifies otherwise.
When should I replace this gasket?
Any time the oil cooler or filter head is removed, or if you notice oil seepage at the joint.
Does this fit 24-valve engines?
No—this listing is for 12-valve (1989–1997) applications. Verify by ESN for edge cases.
