Boost Aftertreatment Filtration on Cummins ISF3.8 & QSF3.8 (2011–2020)
What is it?
The Cummins ISF3.8, QSF3.8 SCR Filter OEM 4376889 is a crucial emissions aftertreatment component that helps trap soot, ash, and particulate contaminants in the exhaust before they reach the Selective Catalytic Reduction (SCR) system. By capturing these particles, the SCR filter helps maintain cleaner exhaust flow and supports efficient NOx reduction, contributing to proper emissions system performance.
Why choose OEM 4376889?
This SCR filter is engineered to meet Cummins’ original specifications for ISF3.8 and QSF3.8 engines produced from 2011 through 2020. As a genuine OEM part, the 4376889 ensures accurate fitment and seamless integration with your factory aftertreatment system. Choosing an OEM-matched filter helps support stable regeneration cycles, reduce the risk of clogging, and protect downstream SCR components over time.
Key Benefits
✅ Designed for Cummins ISF3.8 & QSF3.8 engines (2011–2020)
✅ Helps capture soot and limit particulate contamination
✅ Supports consistent SCR regeneration and emissions control
✅ Built to handle high exhaust temperatures
✅ Direct-fit design for easier installation
Applications
This SCR filter is ideal for light and medium-duty commercial vehicles, industrial machines, and utility equipment powered by Cummins ISF3.8 or QSF3.8 engines from 2011–2020. It’s commonly used in delivery trucks, fleet service rigs, and other diesel-powered applications where dependable emissions filtration is essential.
Installation Notes
Before installing, make sure the exhaust system has completely cooled. Inspect related sensors, clamps, gaskets, and mounting hardware for wear, and replace any worn parts as needed. After the SCR filter is in place, verify all connections are secure and follow manufacturer-recommended system checks to ensure proper operation.
Final Thoughts
When it’s time to replace a worn or clogged SCR filter on your Cummins ISF3.8 or QSF3.8 engine, the OEM 4376889 delivers a reliable, factory-matched solution. With proper fitment and consistent performance, it helps keep your emissions system operating cleanly and your vehicle ready for work. Tamerx has this SCR filter in stock and ready to ship.