Refresh Aftertreatment Performance on Cummins X15 (2018–2024)
What is it?
The Cummins X15 SCR OEM 4394838 is a core part of the engine’s emissions aftertreatment system, designed to help cut down nitrogen oxide (NOx) emissions in the exhaust. Working alongside the diesel exhaust fluid (DEF) system, this SCR assembly helps convert exhaust gases into cleaner compounds before they leave the vehicle, supporting emissions compliance and steady engine performance.
Why choose OEM 4394838?
This SCR assembly is built to Cummins’ original specifications for X15 engines produced from 2018 through 2024. Engineered for proper fit and seamless integration with your truck’s factory aftertreatment components, it helps lower the chances of emissions fault codes, warning lights, and unwanted engine derates. OEM quality means compatibility you can rely on.
Key Benefits
✅ Designed for Cummins X15 engines (2018–2024)
✅ Helps support effective NOx reduction with DEF
✅ Aids in minimizing emissions system warnings and interruptions
✅ Durable construction for high exhaust temperatures
✅ Direct-fit design for easier installation
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 freight transport, fleet operations, and other diesel-powered applications that require consistent emissions control.
Installation Notes
Before beginning installation, allow the exhaust system to cool completely. Check related sensors, clamps, gaskets, and mounting hardware for wear, and replace any worn parts as needed. After installation, confirm all connections are secure and follow manufacturer-recommended system checks to verify proper function.
Final Thoughts
When emissions performance issues affect your Cummins X15 engine, the OEM 4394838 SCR assembly provides a dependable, factory-matched replacement solution. Built for consistent operation and proper fitment, it helps keep your vehicle compliant and ready for work. Tamerx has this SCR assembly in stock and ready to ship.