Product Description
Interstate-McBee M-3974127 Filter Head Gasket – 07.5–18 6.7L Cummins (Oil Cooler to Oil Filter Head)
Restore a proper seal between the engine oil cooler and the oil filter head on 2007.5–2018 6.7L Cummins engines. The Interstate-McBee M-3974127 is an OEM-equivalent aftermarket gasket that installs like stock and helps prevent oil leaks and pressure loss.
- Direct-fit replacement: Matches Cummins 3974127 form, fit, and function.
- Factory-style performance: Designed for a reliable seal at the cooler-to-filter head interface.
- Aftermarket value: Interstate-McBee quality at a lower cost than OEM.
- Quick install: Drop-in gasket for routine service or leak repair.
Specifications
| Brand / Part | Interstate-McBee M-3974127 |
|---|---|
| OEM Cross-Reference | Cummins 3974127 (Filter Head Gasket) |
| Position | Engine Oil Cooler → Oil Filter Head |
| Engine | ISB 6.7L (Dodge/Ram Cummins) |
| Primary Application Years | 2007.5–2018 |
| Package Contents | (1) Filter head gasket |
Vehicle Fitment
Verify by engine serial number (ESN) for complete accuracy.
- Ram 2500/3500/4500/5500 with 6.7L Cummins (ISB):
- Model years: 2007.5–2018
Installation Notes
- Drain engine oil as needed; clean mating surfaces thoroughly.
- Inspect cooler and filter head for warpage or damage before reassembly.
- Follow the Cummins service manual for fastener torque and sequence.
- Refill, start, and check for leaks; verify oil pressure.
Warranty
Interstate-McBee replacement gaskets include manufacturer warranty coverage. Contact us with your ESN for exact terms on this item.
Cross-References & Related
- OEM Cross-Ref: Cummins 3974127 (Filter Head Gasket)
- Often paired with: Interstate-McBee M-2830559 (Oil Cooler Gasket to Engine Block)
Why Buy From CPP Diesel
- ESN-verified fitment help from diesel specialists
- Fast shipping, easy returns
- Curated Cummins inventory for complete repair bundles
FAQ
What does this gasket seal?It seals the joint between the engine oil cooler and the oil filter head on 6.7L Cummins engines.
Will it fit my 2010 Ram 2500 6.7L?
Yes. This gasket covers 2007.5–2018 6.7L Cummins applications. Verify by ESN for any edge-case builds.
Is this an OEM Cummins part?
No. It is an aftermarket Interstate-McBee part built to OEM-equivalent specifications. The OEM reference number is Cummins 3974127.
Do I need sealant?
Only if specified by the Cummins service manual. Most installs are dry after surface prep.
Anything else I should replace while I'm in there?
Inspect the oil cooler, O-rings, and consider the companion gasket (Interstate-McBee M-2830559) during service.
Product Videos
Custom Field
YEAR 2007.5-2018
MAKE DODGE
ENGINE 6.7L
