Product Description
The CUMMINS 3979769 OEM EGR VALVE GASKET is designed for 2007.5–2021 Ram trucks equipped with the 6.7L Cummins diesel engine. This genuine Cummins gasket provides a proper seal between EGR system components and helps maintain emissions system integrity while delivering OEM fitment and reliability.
Use this gasket when replacing an EGR valve, servicing EGR system components, repairing exhaust leaks, or performing emissions-related maintenance. Always verify fitment by engine serial number and part number before ordering.
FEATURES
- Genuine Cummins OEM EGR valve gasket
- Direct-fit replacement sealing component
- Helps prevent exhaust and EGR system leaks
- Maintains proper EGR system sealing and performance
- Built to OEM Cummins specifications
- Ideal for maintenance, repair, or emissions system service
FITMENT
- 2007.5–2021 Ram 2500 6.7L Cummins
- 2007.5–2021 Ram 3500 6.7L Cummins
- 2008–2021 Ram 4500 6.7L Cummins
- 2008–2021 Ram 5500 6.7L Cummins
WHAT'S INCLUDED
- 1 Cummins 3979769 OEM EGR Valve Gasket
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3979769
- Cummins EGR Valve Assemblies
- Cummins EGR Cooler Components
- Cummins Intake and Exhaust Manifold Gaskets
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3979769
- Part Type: EGR Valve Gasket
- Engine Compatibility: 6.7L Cummins
- Fitment Years: 2007.5–2021
- Vehicle Application: Ram 2500, 3500, 4500, and 5500
- Condition: New OEM Cummins
- System: Exhaust Gas Recirculation (EGR)
- Installation Type: Direct Replacement
FAQ
Will this gasket fit my truck?
This gasket fits many 2007.5–2021 Ram trucks equipped with the 6.7L Cummins engine. Always verify fitment using your engine serial number and part number before ordering.
Is this a genuine Cummins gasket?
Yes. Cummins 3979769 is a genuine OEM Cummins EGR valve gasket manufactured to factory specifications.
When should this gasket be replaced?
This gasket should be replaced whenever the EGR valve or related EGR system components are removed for service or replacement.
What are the signs of a leaking EGR gasket?
Symptoms may include exhaust leaks, soot accumulation around EGR components, emissions-related fault codes, or reduced EGR system efficiency.
Can I reuse my old gasket?
Replacing the gasket during service is recommended to help ensure a proper seal and prevent future leaks.
Do I need any related parts?
Inspect the EGR valve, EGR cooler, mounting hardware, intake components, and adjacent gaskets during installation and replace worn components as necessary.