Clean Runs Ahead: Cummins ISL DOC Replacement You Can Trust
What is it?
The Cummins ISL Diesel Oxidation Catalyst (DOC) is a vital aftertreatment component that helps control harmful exhaust gases by converting hydrocarbons and carbon monoxide into less harmful compounds. It plays a critical role in maintaining engine efficiency and meeting environmental compliance standards.
Why choose the Cummins ISL DOC from Tamerx?
This DOC is designed to meet or exceed Cummins OEM specifications, ensuring compatibility, durability, and dependable filtration. Whether you're replacing a clogged unit or experiencing fault codes, this DOC delivers reliable performance and long service life.
Key Benefits
✅ Maintains optimal exhaust flow and system pressure
✅ Reduces carbon monoxide, hydrocarbons, and particulates
✅ Helps clear fault codes and supports proper sensor readings
✅ Built for direct-fit replacement—no fabrication required
✅ Designed for long-term reliability in demanding conditions
Applications
This DOC is compatible with Cummins ISL engines found in a wide range of vehicles, including buses, refuse trucks, vocational haulers, and off-highway equipment. It’s a must-have for maintaining clean operation and avoiding costly downtime from system faults.
Installation Notes
Before installation, inspect sensors, clamps, and adjacent components for wear or damage. Use new gaskets and hardware when needed, and verify that all mounting points are secure. After installation, reset applicable fault codes and monitor system performance.
Final Thoughts
A worn DOC can mean trouble for your engine and your uptime. Replace it with confidence using the Cummins ISL DOC from Tamerx—engineered to keep your aftertreatment system flowing clean and your operation running strong.