Optimize Aftertreatment on Cummins X15 (2018–2024)
What is it?
The Cummins X15 SCR OEM 4394900 is an emissions aftertreatment component designed to help reduce nitrogen oxide (NOx) emissions from your diesel engine’s exhaust before it exits the vehicle. Part of the Selective Catalytic Reduction (SCR) system, it works with the diesel exhaust fluid (DEF) delivery to support cleaner exhaust output and help your engine meet regulated emissions standards.
Why choose OEM 4394900?
This SCR module is built to meet Cummins’ original equipment specifications for X15 engines produced between 2018 and 2024. As an OEM part, it’s engineered for proper fit and integration with your truck’s factory aftertreatment system, helping minimize the chance of emissions-related fault codes, warning lights, and engine derates. Choosing a genuine Cummins-matched component ensures compatibility and dependable performance.
Key Benefits
✅ Designed for Cummins X15 engines (2018–2024)
✅ Supports effective NOx reduction with DEF
✅ Helps reduce emissions warnings and performance issues
✅ Built to endure high exhaust temperatures
✅ Direct-fit design for easier replacement
Applications
This SCR assembly is ideal for heavy-duty commercial trucks, long-haul tractors, and vocational vehicles powered by Cummins X15 engines from 2018–2024. It’s commonly used in fleet transport and freight hauling where proper emissions control is essential for compliance and reliability.
Installation Notes
Before installing, allow the exhaust system to cool completely. Check surrounding sensors, gaskets, clamps, and mounting hardware for any wear, and replace worn parts as needed. After securing the SCR assembly, verify all connections are tight and follow manufacturer-recommended system checks or resets.
Final Thoughts
When emissions system concerns impact your Cummins X15 engine, the OEM 4394900 SCR assembly delivers a factory-matched replacement solution you can trust. With correct fitment and consistent operation, it helps keep your vehicle compliant and ready for the road. Tamerx has this SCR assembly in stock and ready to ship.