Elevate Emissions Performance on Cummins B6.7 & L9 (2018–2024)
What is it?
The Cummins B6.7, L9 SCR OEM 5418483 is a vital emissions aftertreatment component that helps reduce nitrogen oxide (NOx) pollutants in the exhaust from your diesel engine. Working with the diesel exhaust fluid (DEF) system, this SCR assembly assists in converting exhaust gases into cleaner compounds before they exit the vehicle, helping ensure your engine maintains emissions compliance and dependable performance.
Why choose OEM 5418483?
Built to meet Cummins’ original specifications for both B6.7 and L9 engines manufactured from 2018 through 2024, this OEM SCR assembly is engineered for proper fit and reliable integration with your truck’s factory aftertreatment system. Choosing a genuine Cummins-matched part like 5418483 helps reduce the risk of emissions-related fault codes, warning lights, and engine derates — giving you long-term compatibility and performance you can trust.
Key Benefits
✅ Compatible with Cummins B6.7 & L9 engines (2018–2024)
✅ Supports effective NOx reduction with DEF
✅ Helps minimize emissions system warnings and interruptions
✅ Built to withstand high exhaust temperatures
✅ Direct-fit design for easier installation
Applications
This SCR assembly is ideal for on-highway trucks, commercial fleets, and vocational vehicles powered by Cummins B6.7 and L9 engines from 2018–2024. It’s commonly used in delivery rigs, service vehicles, and heavy-duty diesel equipment where dependable emissions control is essential.
Installation Notes
Before installation, allow the exhaust system to cool completely. Inspect all related sensors, gaskets, clamps, and mounting hardware, replacing any worn parts as needed. After installing the SCR assembly, verify all connections are secure and follow manufacturer-recommended system checks to confirm proper operation.
Final Thoughts
When emissions performance issues begin affecting your Cummins B6.7 or L9 engine, the OEM 5418483 SCR assembly delivers a reliable, factory-matched replacement solution. Designed for proper 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.

