Exhaust Troubles? Let the Cummins ISL DOC Clear the Way
What is it?
The Cummins ISL Diesel Oxidation Catalyst (DOC) is the first stage in your engine's aftertreatment system. Its job is to convert harmful gases—like unburned hydrocarbons and carbon monoxide—into less toxic substances before they pass into the Diesel Particulate Filter (DPF). A functioning DOC is key to keeping your emissions system running efficiently and avoiding unnecessary downtime.
Why choose Cummins ISL DOC?
This DOC is built to meet OEM standards, ensuring excellent fit, dependable service life, and seamless integration with Cummins ISL engine systems. It’s a reliable option for replacing a failed or clogged DOC that may be triggering frequent regen cycles or check engine lights.
Key Benefits
✅ OEM-grade design ensures direct fit and compatibility
✅ Improves overall exhaust flow and DPF effectiveness
✅ Helps reduce frequency of active regeneration events
✅ Withstands extreme heat and stress from heavy-duty operation
✅ Cost-effective way to restore system performance without full replacement costs
Applications
This Cummins ISL DOC is compatible with medium- and heavy-duty vehicles and equipment using the ISL engine. Whether you're operating a vocational truck, a transit bus, or industrial machinery, this DOC helps maintain cleaner emissions and dependable engine output.
Installation Notes
Before installation, allow the exhaust system to cool completely. Inspect and replace any worn gaskets, clamps, or sensors as needed. Torque all fasteners to OEM specifications. After installation, reset any related diagnostic codes and verify successful system operation.
Final Thoughts
A failing DOC can cause a ripple effect throughout your exhaust system. The Cummins ISL DOC from Tamerx offers a dependable replacement that gets your engine back on track. Reduce downtime, regain control over your regen cycles, and keep your operations running clean.