Drive Cleaner, Longer: Cummins ISX DOC OEM 4328760RX
What is it?
The Cummins / ISX Diesel Oxidation Catalyst (DOC) OEM 4328760RX is a remanufactured component engineered to reduce carbon monoxide and unburned hydrocarbons from the exhaust system. It serves as the front line of the aftertreatment system, preparing exhaust gases for efficient filtration by the Diesel Particulate Filter (DPF).
Why choose OEM 4328760RX?
This DOC is remanufactured to Cummins OEM standards for quality, fit, and performance. It’s the ideal replacement when your ISX engine shows signs of restricted flow, excessive regen, or emissions-related fault codes—delivering a reliable fix without the cost of a brand-new unit.
Key Benefits
✅ Restores proper exhaust flow and system balance
✅ Promotes effective regeneration by supporting the DPF
✅ OEM-fit ensures a seamless, trouble-free installation
✅ Built to handle high-temperature and high-load environments
✅ Cost-efficient alternative with dependable durability
Applications
The 4328760RX DOC is made for Cummins ISX engines, commonly found in heavy-duty trucks, long-haul fleets, and vocational vehicles. It’s a critical component for maintaining emissions compliance, reducing maintenance downtime, and preserving fuel efficiency in real-world operations.
Installation Notes
Cool the exhaust system completely before beginning. Inspect all gaskets, clamps, and sensors; replace anything worn or damaged. Install using OEM torque specs, reset fault codes, and confirm the regeneration cycle initializes correctly after installation.
Final Thoughts
When your ISX exhaust system needs a clean start, the Cummins DOC OEM 4328760RX from Tamerx delivers. It helps restore reliability, keeps the regen system on track, and gets you back on the road with fewer interruptions and cleaner emissions.