Keep It Flowing Clean: Cummins DOC OEM 3130618RX
What is it?
The Cummins Diesel Oxidation Catalyst (DOC) OEM 3130618RX is a remanufactured exhaust aftertreatment component that plays a crucial role in reducing harmful emissions. Positioned ahead of the Diesel Particulate Filter (DPF), it oxidizes pollutants like hydrocarbons and carbon monoxide, supporting clean exhaust flow and efficient system operation.
Why choose OEM 3130618RX?
Built to meet Cummins OEM specifications, this remanufactured DOC delivers the same fit, function, and reliability as a new unit—at a significantly lower cost. It’s ideal for engines experiencing regen issues, increased backpressure, or failed emissions tests.
Key Benefits
✅ Designed and remanufactured to OEM standards
✅ Supports better fuel economy and fewer regen cycles
✅ Converts harmful gases before they reach the DPF
✅ Built to withstand extreme heat and vibration
✅ Easy, direct-fit installation—no modifications required
Applications
The Cummins 3130618RX DOC is suitable for a range of Cummins-powered trucks, buses, and off-highway equipment. It’s a reliable replacement for any ISL, ISX, or related engine platform requiring a DOC to maintain efficient aftertreatment performance and clean engine operation.
Installation Notes
Ensure the system is completely cool before beginning removal. Inspect and replace damaged gaskets, clamps, and sensors. Follow OEM torque specs during installation. After installation, reset system codes and verify regeneration functionality.
Final Thoughts
When it’s time to fix DOC-related faults or restore clean exhaust flow, the Cummins DOC OEM 3130618RX from Tamerx is a proven solution. Backed by quality and ready to go the distance, it helps you maintain performance and reliability without overspending.