Cummins ISC 8.3,ISL 9 DOC 2011-2013

Built for Endurance and Cleaner Performance: Cummins ISC 8.3, ISL 9 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 supporting efficient regeneration. Designed for ISC 8.3 and ISL 9 engines, it ensures steady exhaust flow, reliable performance, and compliance with emissions standards mile after mile.

Why choose this DOC?

Manufactured to OEM specifications, this DOC fits Cummins ISC 8.3 and ISL 9 engines produced between 2011 and 2013. It restores exhaust efficiency, enhances Diesel Particulate Filter (DPF) function, and minimizes soot buildup that can cause reduced power or poor fuel economy. Built with durable, heat- and corrosion-resistant materials, it’s made to withstand demanding operating conditions for long-lasting reliability.

Key Benefits

✅ Designed for Cummins ISC 8.3 and ISL 9 engines (2011–2013)
✅ Converts exhaust gases for cleaner, more efficient operation
✅ Supports DPF regeneration and consistent exhaust flow
✅ Constructed from corrosion- and heat-resistant materials
✅ Direct-fit replacement ensures quick and accurate installation

Applications

This DOC fits 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 dependable emissions performance, durable construction, and consistent engine reliability on every route.

Installation Notes

Inspect the exhaust system for cracks, buildup, or leaks before installation. Clean all connection points, replace gaskets, and torque bolts according to Cummins specifications. After installation, perform a regeneration cycle to verify proper exhaust flow and temperature.

Final Thoughts

When your Cummins ISC 8.3 or ISL 9 engine experiences restricted exhaust or frequent regenerations, this Diesel Oxidation Catalyst provides the OEM-quality solution you can count on. Built for strength, efficiency, and compliance, it helps your vehicle stay road-ready and reliable. Tamerx has it available and ready to ship today.