Cummins ISC 8.3, ISL 9 DOC 2011-2013

Engineered for Long-Lasting Efficiency: Cummins ISC 8.3, ISL 9 DOC (2011–2013)

What is it?

The Cummins Diesel Oxidation Catalyst (DOC) plays a vital role in reducing harmful emissions and maintaining optimal exhaust flow. Designed for ISC 8.3 and ISL 9 engines, it converts exhaust gases into less harmful emissions, ensuring smoother operation and reliable performance over time.

Why choose this DOC?

Built to OEM specifications, this DOC fits Cummins ISC 8.3 and ISL 9 engines produced between 2011 and 2013. It restores exhaust efficiency, supports Diesel Particulate Filter (DPF) function, and minimizes soot buildup that can cause reduced fuel economy or engine stress. Constructed from durable, heat- and corrosion-resistant materials, it’s built to handle demanding workloads and long service hours.

Key Benefits

✅ Designed for Cummins ISC 8.3 and ISL 9 engines (2011–2013)
✅ Converts harmful gases for efficient, compliant operation
✅ Supports DPF regeneration and smooth exhaust flow
✅ Made with corrosion- and heat-resistant materials for durability
✅ Direct-fit replacement for easy and accurate installation

Applications

This DOC is designed for medium- and heavy-duty Cummins ISC 8.3 and ISL 9 engines from 2011 to 2013. It’s the ideal solution for fleet operators and drivers who rely on dependable emissions performance, consistent power output, and long-term reliability.

Installation Notes

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

Final Thoughts

When your Cummins ISC 8.3 or ISL 9 engine starts showing signs of poor exhaust flow or frequent regenerations, this Diesel Oxidation Catalyst provides the OEM-quality fix you can count on. Designed for efficiency, strength, and compliance, it keeps your engine running smoothly and ready for any job. Tamerx has it available and ready to ship today.