Cummins ISC 8.3, ISL 9 DOC 2011-2013

Drive Cleaner, Run Stronger: Cummins ISC 8.3 and ISL 9 DOC (2011–2013)

What is it?

The Cummins Diesel Oxidation Catalyst (DOC) is a vital emissions component that transforms harmful exhaust gases into cleaner emissions. Designed for ISC 8.3 and ISL 9 engines, it ensures proper oxidation of hydrocarbons and carbon monoxide, promoting efficient aftertreatment performance and smoother engine operation.

Why choose this DOC?

Built to meet OEM standards, this DOC is specifically engineered for Cummins ISC 8.3 and ISL 9 engines from 2011–2013. It delivers reliable emissions control, restores proper exhaust flow, and helps extend the life of your Diesel Particulate Filter (DPF). Its durable construction ensures dependable performance under extreme heat and pressure.

Key Benefits

✅ Designed for Cummins ISC 8.3 and ISL 9 engines (2011–2013)
✅ Reduces harmful emissions for cleaner operation
✅ Supports efficient DPF function and longer regeneration cycles
✅ Made from heat-resistant materials for lasting durability
✅ Direct-fit design ensures easy installation and secure fitment

Applications

This DOC fits Cummins ISC 8.3 and ISL 9 engines used in medium and heavy-duty trucks, buses, and vocational equipment manufactured between 2011 and 2013. It’s ideal for operators who demand dependable emissions performance and consistent power output over long service intervals.

Installation Notes

Inspect the exhaust system for leaks or blockages before installation. Clean the mating surfaces, install new gaskets, and torque all fasteners to manufacturer specifications. After installation, perform a system regeneration to confirm proper exhaust flow and emissions function.

Final Thoughts

When your Cummins ISC 8.3 or ISL 9 engine needs cleaner emissions and restored efficiency, this Diesel Oxidation Catalyst provides the OE-quality solution you can trust. Built for reliability and compliance, it helps keep your engine running strong and your vehicle road-ready. Tamerx has it in stock and ready to ship today.