Safeguard Emissions Flow on Cummins QSB 4.5L (2011–2020)
What is it?
The Cummins QSB 4.5L SCR Filter OEM 4353699 is a crucial part of your engine’s emissions aftertreatment system that captures soot, ash, and other particulate contaminants from the exhaust before they reach the Selective Catalytic Reduction (SCR) catalyst. By trapping these particles early, this SCR filter helps maintain cleaner airflow and supports efficient NOx reduction — an essential function for meeting emissions requirements and keeping your engine performing reliably.
Why choose OEM 4353699?
Engineered to meet Cummins’ original specifications for QSB 4.5L engines produced between 2011 and 2020, this SCR filter delivers precise fitment and seamless integration with your vehicle’s factory aftertreatment setup. Choosing a genuine OEM-matched filter like the 4353699 helps promote stable regeneration cycles, reduce the risk of clogging, and protect downstream SCR components from premature wear, supporting dependable system operation over time.
Key Benefits
✅ Designed for Cummins QSB 4.5L engines (2011–2020)
✅ Helps trap soot and reduce exhaust particulates
✅ Supports consistent SCR regeneration and emissions control
✅ Constructed to endure high exhaust temperatures
✅ Direct-fit design for easier replacement
Applications
This SCR filter is ideal for light- and medium-duty commercial trucks, service vehicles, and industrial equipment powered by Cummins QSB 4.5L engines from 2011–2020. It’s commonly used in delivery fleets, vocational rigs, and other diesel-powered applications that require dependable emissions filtration.
Installation Notes
Before installation, make sure the exhaust system has completely cooled. Inspect related sensors, clamps, gaskets, and mounting hardware for wear or damage, and replace any worn parts as needed. After installing the SCR filter, verify all connections are secure and follow manufacturer-recommended system checks to confirm proper function.
Final Thoughts
When it’s time to replace a worn or clogged SCR filter on your Cummins QSB 4.5L engine, the OEM 4353699 offers a reliable, factory-matched solution. Designed for accurate fitment and consistent performance, it helps keep your emissions system operating efficiently and your vehicle ready for the road. Tamerx has this SCR filter in stock and ready to ship.