Product Description
Interstate-McBee M-3979769 EGR Valve Gasket – 07.5–18 6.7L Cummins
OEM-style EGR valve gasket engineered by Interstate-McBee for 2007.5–2018 6.7L Cummins applications. Designed as a direct-fit aftermarket replacement for Cummins 3979769 to restore a proper seal and prevent exhaust leakage at the EGR valve interface. This is a single-use gasket and should be replaced anytime the EGR valve is removed and reinstalled.
- Direct replacement: Matches OEM Cummins 3979769 form, fit, and function.
- Reliable seal: Helps maintain correct emissions performance and drivability.
- Aftermarket value: Interstate-McBee quality at a cost-effective price point.
- Service tip: Many services replace two gaskets during EGR valve removal—sold individually.
Specifications
| Manufacturer | Interstate-McBee |
|---|---|
| Part Number | M-3979769 |
| OEM Reference | Cummins 3979769 |
| Position | Exhaust Gas Recirculation (EGR) Valve Gasket |
| Sold As | Each (single gasket) |
Vehicle Fitment
Always verify by engine serial number (ESN) when possible.
- Ram 2500 / 3500 — 6.7L Cummins (2007.5–2018)
- Ram 3500 / 4500 / 5500 Cab & Chassis — 6.7L Cummins (2008–2018)
- Additional Engines: Select Cummins ISB / QSB 6.7 applications (industrial/on-highway; confirm by ESN).
Install Notes
- This is a single-use gasket; replace whenever the EGR valve is removed.
- Clean mating surfaces thoroughly and inspect for warpage or carbon buildup.
- Follow the Cummins service manual for torque specs and tightening sequence.
- If your service procedure calls for two gaskets at the valve interfaces, purchase the correct quantity.
Warranty
Interstate-McBee new parts carry manufacturer warranty coverage. For exact terms and claim procedures for gasket components, please contact us with your ESN and order details.
Cross-Reference
Direct cross to Cummins 3979769. Also used in select ISB/QSB 6.7 applications; confirm by ESN for non-Ram installs.
Why Buy From CPP Diesel
- Application-correct listings with ESN-verified support
- Fast shipping and hassle-free returns
- Diesel specialists ready to assist with related EGR and sealing components
FAQ
Is M-3979769 the same as Cummins 3979769?Yes. Interstate-McBee M-3979769 is an aftermarket, OEM-style replacement for Cummins 3979769.
Will this fit my 2007.5–2018 6.7L Ram?
Yes—this gasket is listed for Ram 2500/3500 (2007.5–2018) and 3500/4500/5500 cab & chassis (2008–2018). Always verify by ESN for edge cases or mid-year changes.
Is the EGR valve gasket reusable?
No. It is considered single-use and should be replaced anytime the EGR valve is removed and reinstalled.
How many gaskets do I need?
Many procedures call for two gaskets at the EGR valve interfaces. This item is sold individually; check your service manual.
Does this gasket work on non-Ram ISB/QSB 6.7 engines?
In many cases, yes—this gasket is used on select ISB/QSB 6.7 applications. Confirm by ESN for industrial or vocational chassis.
Product Videos
Custom Field
YEAR 2007.5-2018
MAKE DODGE
ENGINE 6.7L
