Improve Aftertreatment Function on Cummins B6.7 & L9 (2018–2024)
What is it?
The Cummins B6.7, L9 SCR OEM 5418683 is a critical exhaust aftertreatment part that helps reduce nitrogen oxide (NOx) emissions from your diesel engine. Working together with the diesel exhaust fluid (DEF) system, this SCR assembly supports the transformation of harmful exhaust gases into cleaner output before they exit the vehicle, contributing to smoother operation and regulated emissions.
Why choose OEM 5418683?
Built to meet Cummins’ original standards for B6.7 and L9 engines produced from 2018 through 2024, this OEM SCR assembly ensures accurate system interaction and stable performance. Choosing a factory-matched component like 5418683 helps decrease the likelihood of emissions fault codes, warning lights, and unnecessary engine restrictions. OEM quality provides reliable compatibility that aligns with your engine’s design.
Key Benefits
✅ Fits Cummins B6.7 & L9 engines (2018–2024)
✅ Helps support effective NOx reduction with DEF
✅ Aids in minimizing emissions-related alerts or interruptions
✅ Durable construction for high exhaust heat and everyday use
✅ Direct-fit design for a smoother installation process
Applications
This SCR assembly is ideal for on-highway trucks, vocational fleets, and commercial vehicles powered by Cummins B6.7 or L9 engines from 2018–2024. It’s especially suited for work trucks and delivery rigs that must maintain dependable emissions control during long service hours.
Installation Notes
Before beginning installation, allow the exhaust system to cool completely. Inspect nearby sensors, mounting hardware, clamps, and gaskets, replacing any worn components as needed. After securing the new SCR assembly, check all connections and follow manufacturer guidelines for any required system checks or resets.
Final Thoughts
When emissions concerns arise on a Cummins B6.7 or L9 engine, the OEM 5418683 SCR assembly offers a sound, factory-aligned replacement. Designed for proper fit and consistent operation, it helps keep your vehicle running within emissions standards and ready for the road. Tamerx has this SCR assembly in stock and ready to ship.