Keeping your aftertreatment system running smoothly starts with the Diesel Oxidation Catalyst (DOC), and the OEM 4353289RX is engineered to guarantee it performs that role flawlessly. Acting as the first line of defense, this catalyst efficiently neutralizes harmful emissions, setting the stage for cleaner exhaust, reliable regeneration, and better protection for downstream components.
-
Converts pollutants like hydrocarbons and carbon monoxide into less harmful compounds—promoting cleaner exhaust chemistry right from the start.
-
Ensures more reliable DPF regeneration by helping maintain proper exhaust temperature and flow, minimizing forced cycles and supporting uninterrupted operation.
-
Shields vital downstream parts—such as particulate filters, SCR catalysts, and emission sensors—from premature wear caused by excessive soot and contaminants.
-
Offers seamless installation with OEM precision, requiring no modifications and ensuring fast, hassle-free servicing.
-
Gives you peace of mind thanks to strong warranty coverage and a straightforward core return process, combining long-term reliability with service convenience.
Installing the OEM 4353289RX DOC is more than replacing a part—it’s investing in cleaner operation, smoother system coordination, and extended component longevity. With its precise fit and dependable performance, this genuine Cummins component from Tamerx Diesel Parts brings lasting value to your engine’s aftertreatment system.