Revive Your Exhaust System: Cummins DOC OEM 5289745RX
What is it?
The Cummins Diesel Oxidation Catalyst (DOC) OEM 5289745RX is a remanufactured emissions control component designed to convert harmful exhaust gases—like carbon monoxide and unburned hydrocarbons—into less harmful substances. Positioned before the DPF, this DOC plays a key role in ensuring cleaner operation and preparing the system for effective regeneration.
Why choose OEM 5289745RX?
Remanufactured to Cummins' original equipment standards, the 5289745RX DOC offers reliable performance, perfect fitment, and enhanced durability. It's a cost-effective replacement for worn or failing units that helps reduce exhaust system faults and supports overall engine efficiency.
Key Benefits
✅ OEM-quality remanufacturing ensures reliable performance
✅ Promotes cleaner exhaust flow and improves DPF functionality
✅ Reduces regen frequency and fault code triggers
✅ Withstands extreme operating temperatures and stress
✅ Direct-fit installation—no fabrication or tuning required
Applications
The 5289745RX DOC is designed for use in Cummins-powered vehicles across a wide range of applications including medium- and heavy-duty trucks, buses, and industrial equipment. It’s the ideal solution for operators needing clean, efficient exhaust performance with minimal maintenance.
Installation Notes
Allow the system to cool completely before starting. Inspect clamps, sensors, and gaskets for wear and replace if necessary. Install using proper torque specs, then clear fault codes and confirm regeneration is operating correctly within system parameters.
Final Thoughts
Bring back smooth exhaust flow and dependable operation with the Cummins DOC OEM 5289745RX from Tamerx. It’s a smart fix that keeps your engine running clean, your codes in check, and your fleet moving forward.