Cummins ISL DOC : OEM 5287491RX

Exhaust Issues Solved: Cummins ISL DOC OEM 5287491RX

What is it?
The Cummins ISL Diesel Oxidation Catalyst (DOC) OEM 5287491RX is a remanufactured component that serves as the first line of defense in your exhaust aftertreatment system. It oxidizes harmful gases like hydrocarbons and carbon monoxide, helping your engine meet clean-air standards and ensuring smoother operation downstream to the DPF.

Why choose OEM 5287491RX?
Remanufactured to strict Cummins OEM specifications, this DOC delivers the performance and reliability you expect—at a more economical price point. Whether you're dealing with frequent regen cycles, rising backpressure, or check-engine lights, this part offers a solid fix with dependable results.

Key Benefits
✅ Designed specifically for Cummins ISL engine systems
✅ Converts pollutants for cleaner, more efficient exhaust
✅ Supports optimal DPF function and reduces regen issues
✅ Remanufactured to OEM quality for long-lasting durability
✅ Straightforward, direct-fit installation saves time and labor

Applications
The 5287491RX DOC is compatible with Cummins ISL-powered trucks, buses, and heavy-duty industrial equipment. It’s an essential replacement for maintaining aftertreatment performance and ensuring compliance in both on-road and off-road diesel applications.

Installation Notes
Be sure the exhaust system is fully cooled before installation. Inspect all gaskets, clamps, and sensors, replacing any worn components. Torque to OEM specs. After install, clear all system codes and confirm proper regeneration readiness.

Final Thoughts
When your ISL’s exhaust system starts acting up, trust the Cummins DOC OEM 5287491RX from Tamerx to bring it back to form. With dependable filtration, smoother flow, and fewer regen problems, it’s the upgrade your engine deserves—without the price of brand new.