Power Up Your Emissions Game: Cummins ISX DOC (2008–2010)
What is it?
The Cummins ISX DOC (Diesel Oxidation Catalyst) for 2008–2010 engines transforms carbon monoxide (CO) and unburned hydrocarbons (HC) in the exhaust into less harmful gases before they move on to further emissions components.
Why choose this DOC?
Specially engineered for ISX engines from 2008 to 2010, this DOC ensures efficient oxidation performance without creating excessive backpressure. Using the right DOC helps protect downstream parts, maintain flow balance, and avoid system faults tied to mismatched units.
Key Benefits
✅ Built for Cummins ISX engines (2008–2010)
✅ Converts CO and hydrocarbons into safer emissions
✅ Reduces stress on downstream DPF or SCR units
✅ Rugged design handles high heat and long service
✅ Direct-fit replacement for clean installation
Applications
This DOC is ideal for heavy trucks and industrial fleets using Cummins ISX engines in the 2008–2010 range. It’s used as the first oxidation stage in exhaust treatment before further filtering or reduction steps.
Installation Notes
Start with a cooled engine and exhaust. Remove the existing DOC and inspect adjoining pipes, flanges, and seals for wear. Install the new unit with fresh gaskets, torque fasteners to Cummins specs, and verify proper sealing. After installation, monitor diagnostic signals or run a drive cycle to ensure system function.
Final Thoughts
When it comes to your ISX engine, this DOC delivers the right chemistry, durability, and fit to support efficient emissions control and strong system performance.