Cummins ISX DOC : OEM 4353264RX

Smooth Exhaust, Stronger Performance: Cummins ISX DOC OEM 4353264RX

What is it?
The Cummins ISX Diesel Oxidation Catalyst (DOC) OEM 4353264RX is a remanufactured exhaust component designed to treat harmful exhaust gases like carbon monoxide and hydrocarbons. It works as the first line of defense in the aftertreatment system, supporting cleaner emissions and ensuring the Diesel Particulate Filter (DPF) functions properly.

Why choose OEM 4353264RX?
This DOC is remanufactured to Cummins OEM specifications, offering reliable fitment, excellent flow characteristics, and long-lasting performance at a fraction of the cost of new. If your current DOC is clogged or triggering frequent regens, this unit provides a cost-effective fix.

Key Benefits
✅ Direct OEM replacement for fast, hassle-free installation
✅ Supports efficient DPF regeneration and cleaner emissions
✅ Helps restore fuel economy by reducing backpressure
✅ Rugged design for heavy-duty, high-heat applications
✅ Budget-friendly remanufactured option without sacrificing quality

Applications
The 4353264RX DOC is designed for Cummins ISX engines used in Class 8 trucks and other heavy-duty commercial vehicles. It’s ideal for long-haul, regional, and vocational applications where emission compliance and reliable power are essential.

Installation Notes
Let the exhaust system cool before removal. Inspect all mounting hardware, gaskets, and sensors for wear or corrosion. Replace components as necessary. Torque all bolts to factory specs and reset any active fault codes once installation is complete.

Final Thoughts
When your ISX engine needs reliable exhaust treatment, the Cummins DOC OEM 4353264RX delivers. It restores smooth flow, supports the DPF, and helps your vehicle stay compliant—keeping your fleet running clean and efficient with every mile.