Cummins ISB 6.7 DOC 2011-2013

Engine Efficiency Starts Here: Cummins ISB 6.7 DOC (2011–2013)

What is it?

The Cummins Diesel Oxidation Catalyst (DOC) is an essential part of your engine’s emissions system. Designed for ISB 6.7L engines, it helps convert harmful exhaust gases into less harmful emissions, ensuring steady exhaust flow and dependable engine operation while meeting emissions standards.

Why choose this DOC?

Engineered to OEM specifications, this DOC fits Cummins ISB 6.7L engines from 2011–2013. It restores exhaust efficiency, supports Diesel Particulate Filter (DPF) regeneration, and helps prevent performance issues such as soot buildup and excessive backpressure. With durable, heat-resistant materials, it delivers lasting reliability under demanding driving conditions.

Key Benefits

✅ Designed for Cummins ISB 6.7L engines (2011–2013)
✅ Enhances exhaust flow and emissions performance
✅ Supports optimal DPF function and reduces maintenance needs
✅ Built with corrosion- and heat-resistant materials
✅ Direct-fit replacement for easy and accurate installation

Applications

This DOC is made for Cummins ISB 6.7L engines found in medium-duty trucks, buses, and vocational vehicles built between 2011 and 2013. It’s ideal for fleet operators and truck owners who depend on consistent emissions control and reliable performance.

Installation Notes

Before installation, inspect the exhaust system for cracks, residue buildup, or leaks. Clean all connection points, replace gaskets, and torque bolts to Cummins specifications. After installation, perform a regeneration cycle to verify proper exhaust temperature and system functionality.

Final Thoughts

When your Cummins ISB 6.7L engine starts showing signs of restricted exhaust or frequent regenerations, this Diesel Oxidation Catalyst provides an OEM-quality solution you can trust. Built for durability, performance, and compliance, it keeps your vehicle efficient and dependable mile after mile. Tamerx has it in stock and ready to ship today.