Cummins ISB 6.7 DOC 2011-2013
Built for Power and Performance: Cummins ISB 6.7 DOC (2011–2013)
What is it?
The Cummins Diesel Oxidation Catalyst (DOC) is a key emissions system component that helps reduce harmful exhaust gases while maintaining smooth and efficient engine operation. Designed for ISB 6.7L engines, it ensures proper exhaust flow and consistent power while keeping your vehicle compliant with emissions standards.
Why choose this DOC?
Engineered to OEM specifications, this DOC fits Cummins ISB 6.7L engines manufactured between 2011 and 2013. It restores exhaust efficiency, supports proper Diesel Particulate Filter (DPF) function, and helps prevent issues like soot buildup and excessive backpressure. With heat- and corrosion-resistant materials, it delivers lasting performance in demanding conditions.
Key Benefits
✅ Designed for Cummins ISB 6.7L engines (2011–2013)
✅ Improves exhaust flow for balanced emissions control
✅ Supports DPF regeneration and extends system life
✅ Constructed from durable, high-temperature materials
✅ Direct-fit replacement for quick and accurate installation
Applications
This DOC is made for Cummins ISB 6.7L engines found in medium-duty trucks, buses, and vocational vehicles built from 2011 to 2013. It’s ideal for fleet operators and drivers who require reliable emissions performance and consistent power on every route.
Installation Notes
Before installation, inspect the exhaust system for cracks, leaks, or residue buildup. Clean the connecting flanges, replace gaskets, and torque all bolts to Cummins specifications. After installation, perform a regeneration cycle to verify proper exhaust temperature and system operation.
Final Thoughts
When your Cummins ISB 6.7L engine starts showing signs of restricted exhaust flow or frequent regenerations, this Diesel Oxidation Catalyst offers an OEM-quality solution built for performance and longevity. Dependable and durable, it keeps your engine operating efficiently and ready for the road. Tamerx has it available and ready to ship today.