Cummins ISX DOC 2008-2010
Zero-Compromise Emissions: Cummins ISX DOC (2008–2010)
What is it?
The Cummins ISX DOC (2008–2010) is a Diesel Oxidation Catalyst engineered for the Cummins ISX engine line manufactured between 2008 and 2010. It’s responsible for oxidizing residual hydrocarbons (HC) and carbon monoxide (CO) in the exhaust stream, converting them into less harmful gases before they exit the system.
Why Choose the Cummins ISX DOC (2008–2010)?
This DOC is built to the original specifications of Cummins, ensuring the same sensor alignment, mounting interfaces, and exhaust flow behavior as the factory unit. That close match helps avoid installation challenges, maintain exhaust balance, and provide long-term emissions control reliability.
Key Benefits
✅ Factory-Grade Fit: Matches original exhaust geometry and mounting points for smooth integration
✅ Sturdy Construction: Built with materials capable of handling thermal stress, vibration, and exhaust gas exposure
✅ Improved Emission Conversion: Aids in oxidizing HC and CO into safer byproducts
✅ Stable Operation: Helps reduce emissions-related fault codes and supports consistent exhaust behavior
✅ System Protection: Cleaner exhaust flow helps preserve downstream sensors, filters, and piping
Applications
This DOC is suitable for heavy-duty trucks, vocational equipment, and commercial vehicles powered by the Cummins ISX engine in model years 2008 to 2010. It fits operations where emissions compliance and reliable exhaust behavior are crucial.
Installation Notes
Though this DOC is designed as a direct replacement, professional installation is recommended. Ensure all clamps, gaskets, and sensor connections are properly sealed and aligned to prevent leaks. After installation, clear diagnostic trouble codes and confirm ECU recognition of the new unit.
Final Thoughts
When performance, compliance, and dependability matter, the Cummins ISX DOC (2008–2010) offers a factory-matched solution that restores proper oxidation function, supports emission standards, and gives you confidence in your engine’s exhaust integrity.