Product Description
Interstate-McBee M-3979769 EGR Valve Gasket – 2007.5–2018 6.7L Cummins
Direct-replacement EGR valve gasket for 2007.5–2018 Ram trucks equipped with the 6.7L Cummins turbodiesel. Built to OE dimensions for a precise seal at the EGR valve interface. Sold individually.
- OE-style fit: Matches Cummins reference 3979769 for factory-quality sealing.
- Durable materials: Designed to withstand heat, vibration, and exhaust byproducts.
- Service-friendly: Ideal for EGR valve service, carbon cleaning, or replacement.
- Value: Interstate-McBee quality at a competitive price point.
Specifications
| Brand | Interstate-McBee |
| Part Number | M-3979769 |
| OEM Reference | Cummins 3979769 |
| Component | EGR valve gasket |
| Sold As | Each (1 gasket) |
| Position | EGR system / EGR valve interface |
What’s Included
- (1) EGR valve gasket, P/N M-3979769
Vehicle Fitment
Always verify by VIN/ESN or parts catalog for exact applications.
- Ram 2500/3500 6.7L Cummins (2007.5–2018)
- Ram 3500/4500/5500 Chassis Cab 6.7L Cummins (select years within 2008–2018, where 3979769 is specified)
- Other 6.7L Cummins on- and off-highway applications using Cummins 3979769 (confirm by ESN)
Recommended/Related Parts
- EGR valve (6.7L, matching year/application)
- EGR cooler gaskets & seals
- Throttle valve (intake air control) gasket
- New mounting hardware (bolts/studs) if corroded
- Intake manifold gasket (if removed during service)
Install Notes
- Work on a cool engine; disconnect batteries if unplugging EGR components.
- Clean mating surfaces thoroughly; remove carbon deposits without gouging.
- Do not use sealant unless specified by the service manual.
- Torque bolts to factory spec in a crisscross pattern; recheck after heat cycle if applicable.
- Clear codes and perform an EGR function test if required by your scan tool.
Why Buy From CPP Diesel
- Diesel specialists with ESN-verified fitment help
- Fast shipping and easy returns
- Deep inventory of 6.7L Cummins maintenance & repair parts
FAQ
Will this fit my 2007.5–2018 6.7L Cummins?
Yes—this gasket is intended for 6.7L Cummins applications that use Cummins 3979769. For best results, confirm by VIN/ESN.
Do I need any sealant?
No. This is a precision gasket and should be installed dry unless the service manual specifies otherwise.
What else should I replace during EGR service?
Inspect the EGR valve for sticking, check the cooler and related gaskets, and replace any corroded hardware. Consider cleaning the intake tract if there is heavy carbon buildup.
