Refresh Your Flow: Cummins DOC OEM 5287191RX for Cleaner Exhaust Performance
What is it?
The Cummins DOC (Diesel Oxidation Catalyst) OEM 5287191RX is a remanufactured component designed to convert harmful exhaust gases—such as hydrocarbons and carbon monoxide—into less harmful compounds before they reach the DPF. It plays a key role in maintaining aftertreatment system performance and supporting efficient regeneration.
Why choose OEM 5287191RX?
This DOC is remanufactured to meet Cummins' original standards for fit, durability, and catalytic efficiency. It offers a reliable, cost-effective solution for fixing regen issues, clearing fault codes, and restoring proper exhaust flow—all without compromising performance.
Key Benefits
✅ OEM-grade design ensures proper catalytic function and fit
✅ Helps improve DPF regen efficiency and reduce soot buildup
✅ Supports cleaner emissions and better fuel economy
✅ Rigorously tested for durability in demanding conditions
✅ Direct-fit replacement with no modifications required
Applications
The OEM 5287191RX DOC is used in a variety of Cummins-powered trucks, buses, and equipment that rely on a functioning aftertreatment system. It’s ideal for fleets and operators needing to restore clean, efficient exhaust operation and maintain emissions compliance.
Installation Notes
Before installation, allow the exhaust system to cool completely. Inspect gaskets, clamps, and sensors for wear or damage. Install the DOC with proper torque specifications and clear any related fault codes. Verify the aftertreatment system is functioning properly after installation.
Final Thoughts
A sluggish exhaust system can stall your productivity. The Cummins DOC OEM 5287191RX from Tamerx is your go-to solution for restoring smooth flow, supporting regen cycles, and keeping your diesel engine running at its best—mile after mile.