Cummins DOC : OEM 5287231RX

Fresh Flow, Reliable Drive: Cummins DOC OEM 5287231RX

What is it?
The Cummins Diesel Oxidation Catalyst (DOC) OEM 5287231RX is a remanufactured component built to support cleaner exhaust output and efficient aftertreatment performance. It’s responsible for oxidizing harmful gases like carbon monoxide and hydrocarbons, prepping the exhaust stream for smoother DPF regeneration and overall system health.

Why choose OEM 5287231RX?
As a Cummins-certified remanufactured unit, the 5287231RX delivers consistent quality and fitment at a lower cost than new parts. It’s an ideal solution when your DOC is restricted, causing excessive regen cycles, loss of fuel efficiency, or fault codes.

Key Benefits
✅ Direct OEM replacement—built to original Cummins specs
✅ Boosts DPF efficiency and supports regen success
✅ Lowers exhaust backpressure for better performance
✅ Heat-resistant design handles demanding duty cycles
✅ Affordable, eco-friendly remanufactured option

Applications
This DOC is designed for use with a range of Cummins-powered on-highway trucks and commercial vehicles. It's perfect for operations where downtime isn’t an option and emissions systems must stay reliable over the long haul.

Installation Notes
Let the exhaust system cool fully before removing the old unit. Inspect all sensors, clamps, and gaskets for wear and replace as necessary. Follow proper torque specifications and clear fault codes after install. Monitor regen activity to confirm successful integration.

Final Thoughts
If your DOC is clogged or your system is regening too often, the Cummins DOC OEM 5287231RX is your answer. Restore smooth exhaust flow and dependable system function—backed by trusted OEM standards and value from Tamerx.