Cummins ISB 6.7L, QSB SCR Filter 2011-2016: OEM 4387475

Preserve Emissions Flow on Cummins ISB 6.7L & QSB (2011–2016)

What is it?
The Cummins ISB 6.7L, QSB SCR Filter OEM 4387475 is an important emissions aftertreatment component that helps trap soot and particulate contaminants in the exhaust before they enter the Selective Catalytic Reduction (SCR) system. By capturing these particles ahead of the SCR catalyst, this filter supports cleaner airflow, promotes efficient NOx conversion, and helps maintain dependable emissions performance.

Why choose OEM 4387475?
Engineered to meet Cummins’ original equipment standards for ISB 6.7L and QSB engines manufactured between 2011 and 2016, the OEM 4387475 SCR filter ensures accurate fitment and seamless integration with your vehicle’s factory aftertreatment system. Using a genuine OEM filter helps support stable regeneration cycles, reduces the risk of premature clogging, and protects downstream SCR components from excess wear — keeping your emissions system operating efficiently.

Key Benefits
✅ Designed for Cummins ISB 6.7L & QSB engines (2011–2016)
✅ Helps trap soot and reduce exhaust particulates
✅ Supports consistent SCR regeneration and emissions control
✅ Built to withstand high exhaust temperatures
✅ Direct-fit design for simpler replacement

Applications
This SCR filter is ideal for medium and heavy-duty trucks, commercial vehicles, and industrial equipment powered by Cummins ISB 6.7L or QSB engines from 2011–2016. It’s commonly used in delivery fleets, service rigs, vocational vehicles, and other diesel-powered applications where dependable emissions filtration is critical.

Installation Notes
Before installation, allow the exhaust system to cool completely. Inspect related sensors, clamps, gaskets, and mounting hardware for wear or damage, and replace any worn parts as needed. After the SCR filter is installed, verify that all connections are secure and follow manufacturer-recommended system checks to confirm proper operation.

Final Thoughts
When it’s time to replace a worn or clogged SCR filter on your Cummins ISB 6.7L or QSB engine, the OEM 4387475 provides a reliable, factory-matched solution. Designed for accurate fitment and consistent performance, it helps keep your emissions system working efficiently and your vehicle ready for the road. Tamerx has this SCR filter in stock and ready to ship.