Cummins ISB 6.7 DOC 2011-2013

Keep It Clean, Keep It Powerful: Cummins ISB 6.7 DOC (2011–2013)

What is it?

The Cummins Diesel Oxidation Catalyst (DOC) is a vital component in your engine’s emissions system. Designed for ISB 6.7L engines, it works to convert harmful exhaust gases—like hydrocarbons and carbon monoxide—into cleaner emissions, ensuring smoother performance and compliance with emissions standards.

Why choose this DOC?

Built to OEM specifications, this DOC is engineered for Cummins ISB 6.7L engines produced between 2011 and 2013. It restores proper exhaust flow and supports Diesel Particulate Filter (DPF) performance, helping to prevent excessive soot buildup, poor fuel economy, and reduced power. Made with high-quality, heat-resistant materials, it’s designed for long-lasting reliability under heavy-duty conditions.

Key Benefits

✅ Designed for Cummins ISB 6.7L engines (2011–2013)
✅ Reduces harmful exhaust gases for cleaner emissions
✅ Improves DPF efficiency and extends regeneration intervals
✅ Resistant to corrosion, heat, and vibration
✅ Direct-fit replacement for quick and accurate installation

Applications

This DOC fits Cummins ISB 6.7L engines commonly used in medium-duty trucks, buses, and vocational vehicles from 2011 through 2013. It’s ideal for operators who depend on consistent emissions performance and reliable power output on the road or job site.

Installation Notes

Before installation, inspect the exhaust system for cracks, soot buildup, or leaks. Clean all connection points, replace gaskets, and torque bolts to manufacturer specifications. After installation, perform a regeneration cycle to ensure proper exhaust temperature and flow.

Final Thoughts

When your Cummins ISB 6.7L engine needs cleaner exhaust flow and restored emissions performance, this Diesel Oxidation Catalyst delivers OEM-level quality you can trust. Built for durability and compliance, it helps keep your truck running strong, efficient, and road-ready. Tamerx has it in stock and ready to ship today.