Maintain Exhaust Flow on Cummins QSB 6.7L (2011–2023)
What is it?
The Cummins QSB 6.7L DOC Filter OEM 11K7-31010 is a key emissions aftertreatment component that captures soot and particulate matter from your diesel engine’s exhaust before it moves through the rest of the emissions system. Installed within the Diesel Oxidation Catalyst (DOC), this filter supports cleaner combustion by assisting in the oxidation of hydrocarbons and other pollutants, helping your engine meet emissions standards and run reliably.
Why choose OEM 11K7-31010?
Built to Cummins’ original equipment specifications for QSB 6.7L engines made between 2011 and 2023, this DOC filter ensures accurate fitment and seamless integration with your vehicle’s factory aftertreatment system. Choosing a genuine OEM-matched filter like the 11K7-31010 helps promote stable regeneration cycles, reduce the risk of clogging, and protect downstream emissions components — all of which contribute to consistent performance over time.
Key Benefits
✅ Designed for Cummins QSB 6.7L engines (2011–2023)
✅ Helps trap soot and reduce exhaust particulates
✅ Supports efficient oxidation and emissions control
✅ Built to handle high exhaust temperatures
✅ Direct-fit design for simplified installation
Applications
This DOC filter is ideal for light, medium, and heavy-duty commercial trucks, vocational vehicles, and industrial equipment powered by Cummins QSB 6.7L engines from 2011–2023. It’s commonly used in delivery fleets, service rigs, construction support vehicles, and other diesel-powered applications where dependable emissions performance is necessary.
Installation Notes
Before installation, make sure the exhaust system has completely cooled. Inspect related sensors, clamps, gaskets, and mounting hardware for wear or damage, and replace any worn components as needed. After the DOC filter is installed, verify all connections are secure and follow manufacturer-recommended system checks to confirm proper operation.
Final Thoughts
If your Cummins QSB 6.7L engine’s DOC filter shows signs of wear or clogging, the OEM 11K7-31010 offers a reliable, factory-matched replacement solution. Designed for accurate fitment and consistent performance, it helps keep your emissions system operating smoothly and your vehicle ready for the road. Tamerx has this DOC filter in stock and ready to ship.

