Cummins ISM DOC : OEM 4965223RX

Exhaust Problems? Solve Them with Cummins ISM DOC OEM 4965223RX

What is it?
The Cummins ISM Diesel Oxidation Catalyst (DOC) OEM 4965223RX is a remanufactured component engineered to convert harmful pollutants like carbon monoxide and hydrocarbons into less hazardous gases. As a vital first step in your aftertreatment system, this DOC ensures cleaner exhaust and supports optimal performance from the Diesel Particulate Filter (DPF).

Why choose OEM 4965223RX?
This remanufactured DOC is built to Cummins’ original equipment specifications, ensuring reliable performance, exact fitment, and long-lasting durability. It’s a cost-effective replacement for worn-out or underperforming DOCs that helps you resolve frequent regens, poor fuel economy, and exhaust flow issues.

Key Benefits
✅ OEM-grade quality for consistent and long-term performance
✅ Converts pollutants to help protect your DPF and engine
✅ Reduces regen cycle frequency and related downtime
✅ Built to endure high-heat, heavy-duty environments
✅ Direct-fit design makes installation quick and hassle-free

Applications
The 4965223RX DOC is designed for Cummins ISM engines used in commercial trucks, buses, and industrial equipment. Whether you're managing a fleet or a single vehicle, it delivers dependable performance in demanding on- and off-road applications.

Installation Notes
Ensure the system is completely cooled before installation. Check and replace worn gaskets, clamps, or sensors. Follow proper torque specifications. After installation, clear any fault codes and verify the aftertreatment system is regenerating properly.

Final Thoughts
Don’t let a failing DOC compromise your Cummins ISM’s performance. The OEM 4965223RX from Tamerx gives you a reliable, affordable fix that restores clean exhaust flow and system efficiency—keeping your engine strong and your uptime steady.