Upgrade Emissions System Reliability for Cummins X15 (2018–2021)
What is it?
The Cummins X15 SCR OEM 4394764 is an important part of the emissions aftertreatment system that works to reduce nitrogen oxide (NOx) emissions from your diesel engine’s exhaust. In conjunction with the diesel exhaust fluid (DEF) system, this SCR assembly helps transform exhaust gases into cleaner compounds before they leave the vehicle, supporting regulated emissions performance and consistent engine operation.
Why choose OEM 4394764?
Built to meet Cummins’ original specifications for X15 engines manufactured between 2018 and 2021, this OEM SCR assembly ensures proper fitment and dependable integration with your truck’s factory aftertreatment system. By choosing a genuine OEM unit, you help reduce the likelihood of emissions fault codes, warning lights, or engine derates, providing reliable compatibility that aligns with your engine’s engineered design.
Key Benefits
✅ Designed for Cummins X15 engines (2018–2021)
✅ Supports effective NOx reduction with DEF
✅ Helps minimize emissions system warnings and interruptions
✅ Constructed to handle 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 built between 2018 and 2021. It’s commonly used in fleet transport, freight hauling, regional delivery, and other diesel-powered applications that require consistent emissions control.
Installation Notes
Before installing, allow the exhaust system to cool completely. Inspect adjacent sensors, clamps, gaskets, and mounting hardware, and replace any worn or damaged parts as needed. After installation, confirm all connections are secure and follow any manufacturer-recommended system checks or resets.
Final Thoughts
When emissions concerns affect your Cummins X15 engine, the OEM 4394764 SCR assembly delivers a dependable, factory-matched replacement. Designed for correct fitment and consistent performance, it helps keep your vehicle compliant and ready for the road. Tamerx has this SCR assembly in stock and ready to ship.