Strengthen Exhaust Treatment on Cummins X15 (2018–2021)
What is it?
The Cummins X15 SCR OEM 5418122 is an essential emissions aftertreatment component designed to help lower nitrogen oxide (NOx) levels in your diesel engine’s exhaust. Working in harmony with the diesel exhaust fluid (DEF) system, this SCR assembly supports the conversion of exhaust gases into cleaner byproducts before they exit the vehicle, aiding emissions compliance while helping maintain reliable engine performance.
Why choose OEM 5418122?
Built to Cummins’ original standards for X15 engines manufactured between 2018 and 2021, this OEM SCR assembly ensures precise compatibility with your truck’s factory aftertreatment system. Choosing a genuine Cummins-matched part like the 5418122 helps reduce emissions-related fault codes, warning lights, and unwanted engine derates, giving you dependable fitment and steady performance.
Key Benefits
✅ Designed for Cummins X15 engines (2018–2021)
✅ Supports effective NOx reduction with DEF
✅ Helps minimize emissions system alerts and interruptions
✅ Durable construction for high-temperature exhaust environments
✅ Direct-fit design for simpler installation
Applications
This SCR assembly is ideal for heavy-duty commercial trucks, long-haul tractors, and vocational vehicles powered by Cummins X15 engines from 2018–2021. It’s commonly used in fleet hauling, freight transport, and other diesel-powered operations that demand consistent emissions control.
Installation Notes
Before installation, allow the exhaust system to cool completely. Inspect all related sensors, mounting hardware, clamps, and gaskets for wear or damage, replacing any worn components as needed. Once installed, verify all connections are secure and follow manufacturer-recommended system checks to confirm proper function.
Final Thoughts
When emissions performance issues impact your Cummins X15 engine, the OEM 5418122 SCR assembly offers a factory-aligned replacement solution you can trust. With correct fitment and dependable performance, it helps keep your vehicle compliant and ready for the road. Tamerx has this SCR assembly in stock and ready to ship.