Maximize Emissions Control on Cummins X15 (2022–2024)
What is it?
The Cummins X15 SCR OEM 4394835 is an essential emissions aftertreatment component that assists in lowering nitrogen oxide (NOx) emissions from your engine’s exhaust. Used with the diesel exhaust fluid (DEF) system, this SCR assembly supports the conversion of exhaust gases into cleaner output before they exit the vehicle, helping your engine stay within emissions standards and operate dependably.
Why choose OEM 4394835?
Built to Cummins’ original specifications for X15 engines manufactured from 2022 through 2024, this OEM SCR assembly ensures proper compatibility with your factory aftertreatment components. It helps reduce the chance of emissions-related fault codes, warning lights, and derates that can disrupt operation. OEM quality provides reliable fitment and long-term performance.
Key Benefits
✅ Designed for Cummins X15 engines (2022–2024)
✅ Supports effective NOx reduction with DEF
✅ Helps decrease emissions system alerts and interruptions
✅ Durable construction for high exhaust temperatures
✅ Direct-fit design for easier installation
Applications
This SCR assembly is suitable for heavy-duty commercial trucks, long-haul tractors, and vocational vehicles powered by Cummins X15 engines from 2022–2024. It’s commonly used in fleet transport, freight hauling, and other diesel-powered equipment that require steady emissions control.
Installation Notes
Before installing, ensure the exhaust system has completely cooled. Inspect adjacent sensors, mounting hardware, clamps, and gaskets, and replace any worn components as needed. After installation, confirm all connections are secure and follow manufacturer-recommended system checks.
Final Thoughts
When emissions performance becomes a concern on your Cummins X15 engine, the OEM 4394835 SCR assembly offers a reliable, factory-matched replacement solution. With correct fitment and dependable operation, it helps keep your vehicle compliant and ready for the road. Tamerx has this SCR assembly in stock and ready to ship.

