Cummins ISC 8.3, ISL 9 DOC 2011-2013

Drive Cleaner and Stronger with Cummins ISC 8.3 ISL 9 DOC 2011–2013

What is it?
The Cummins ISC 8.3, ISL 9 Diesel Oxidation Catalyst (DOC) is a crucial emissions component that transforms harmful exhaust gases into cleaner outputs. It works by oxidizing hydrocarbons and carbon monoxide, promoting cleaner combustion and reducing overall emissions. This DOC keeps your engine compliant, efficient, and environmentally responsible.

Why choose this DOC?
Specifically designed for 2011–2013 Cummins ISC 8.3 and ISL 9 engines, this DOC ensures a perfect fit and long-lasting reliability. It restores proper exhaust flow, prevents soot buildup, and supports the overall health of your aftertreatment system—helping your vehicle stay compliant and road-ready.

Key Benefits
✅ Converts harmful gases into cleaner emissions
✅ Maintains consistent engine efficiency and performance
✅ Built to handle high exhaust temperatures and pressure
✅ Direct-fit design for easy installation
✅ Meets OEM standards for reliability and longevity

Applications
This DOC fits Cummins ISC 8.3 and ISL 9 engines (2011–2013) commonly used in medium-duty trucks, buses, and industrial vehicles. Ideal for operators who demand dependable emissions control and smooth operation over long hours.

Installation Notes
Clean the exhaust system thoroughly before installation to remove soot and debris. Replace all gaskets and clamps to ensure a secure seal. After installation, perform a diagnostic check and verify that there are no leaks or fault codes.

Final Thoughts
If your Cummins engine is showing signs of reduced emissions efficiency or higher exhaust backpressure, it’s time to replace your DOC. The Tamerx Diesel Oxidation Catalyst delivers OEM-grade performance and durability, keeping your vehicle compliant and your operations running smoothly.