Cummins ISC 8.3, ISL 9 DOC 2011-2013

Superior Exhaust Performance You Can Rely On: Cummins ISC 8.3, ISL 9 DOC (2011–2013)

What is it?

The Cummins Diesel Oxidation Catalyst (DOC) is a key component that helps reduce harmful exhaust emissions while maintaining consistent exhaust flow. Designed for ISC 8.3 and ISL 9 engines, it ensures smooth operation, supports proper regeneration, and helps your engine stay compliant with emission standards.

Why choose this DOC?

Manufactured to precise OEM specifications, this DOC fits Cummins ISC 8.3 and ISL 9 engines produced between 2011 and 2013. It restores exhaust system efficiency, enhances Diesel Particulate Filter (DPF) performance, and minimizes soot buildup that can cause lower fuel economy or reduced power. Constructed from high-quality, corrosion- and heat-resistant materials, it delivers lasting dependability under heavy-duty use.

Key Benefits

✅ Designed for Cummins ISC 8.3 and ISL 9 engines (2011–2013)
✅ Reduces harmful gases for better emissions control
✅ Supports DPF regeneration and efficient exhaust flow
✅ Made from corrosion- and heat-resistant materials for durability
✅ Direct-fit replacement ensures accurate and easy installation

Applications

This DOC fits medium- and heavy-duty Cummins ISC 8.3 and ISL 9 engines from 2011 to 2013. It’s the right choice for fleet managers, truck owners, and operators who value reliability, strong emissions performance, and consistent engine operation.

Installation Notes

Before installation, inspect the exhaust system for cracks, leaks, or buildup. 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

If your Cummins ISC 8.3 or ISL 9 engine is showing signs of restricted exhaust or frequent regenerations, this Diesel Oxidation Catalyst offers a dependable OEM-quality solution. Engineered for efficiency, endurance, and compliance, it ensures consistent exhaust performance and long-lasting results. Tamerx has it in stock and ready to ship today.