Cummins ISC 8.3, ISL 9 DOC 2011-2013

Designed for Clean Power and Lasting Reliability: Cummins ISC 8.3, ISL 9 DOC (2011–2013)

What is it?

The Cummins Diesel Oxidation Catalyst (DOC) is a vital component in your engine’s emissions system. Built for ISC 8.3 and ISL 9 engines, it helps convert harmful exhaust gases into less harmful emissions, maintaining efficient exhaust flow, smoother operation, and compliance with emission standards.

Why choose this DOC?

Manufactured to OEM standards, this DOC fits Cummins ISC 8.3 and ISL 9 engines produced between 2011 and 2013. It restores exhaust performance, supports Diesel Particulate Filter (DPF) function, and helps reduce soot buildup that can lead to poor fuel economy or power loss. Crafted from corrosion- and heat-resistant materials, it delivers long-lasting durability in demanding operating conditions.

Key Benefits

✅ Fits Cummins ISC 8.3 and ISL 9 engines (2011–2013)
✅ Converts exhaust gases for cleaner, efficient emissions control
✅ Supports DPF regeneration and balanced exhaust flow
✅ Built from durable, corrosion- and heat-resistant materials
✅ Direct-fit replacement for easy, 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 ideal for fleet operators and truck owners who need reliable emissions performance, dependable power, and long-term efficiency.

Installation Notes

Inspect the exhaust system before installation for cracks, leaks, or buildup. Clean all flanges, replace gaskets, and torque bolts according to Cummins specifications. After installation, perform a regeneration cycle to ensure optimal exhaust flow and temperature balance.

Final Thoughts

If your Cummins ISC 8.3 or ISL 9 engine is experiencing restricted exhaust flow or frequent regenerations, this Diesel Oxidation Catalyst offers an OEM-quality solution you can trust. Engineered for durability, efficiency, and compliance, it helps your vehicle perform at its best on every job. Tamerx has it available and ready to ship today.