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

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

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