Stay Emissions-Ready with the Right SCR for Cummins B6.7 & L9 (2018–2021)
What is it?
The Cummins B6.7, L9 SCR OEM 5418508 is an important aftertreatment component that helps manage nitrogen oxide (NOx) emissions from your diesel engine’s exhaust. Working in conjunction 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 maintain emissions compliance and dependable engine performance.
Why choose OEM 5418508?
This OEM SCR assembly is engineered to meet Cummins’ factory specifications for both B6.7 and L9 engines built between 2018 and 2021. Designed for accurate fit and system compatibility, it helps reduce the likelihood of emissions fault codes, warning lights, and unnecessary engine derates. OEM-matched quality ensures reliability and long service life.
Key Benefits
✅ Fits Cummins B6.7 & L9 engines (2018–2021)
✅ Helps support effective NOx reduction with DEF
✅ Aids in reducing emissions system warnings
✅ Durable construction to handle daily operating conditions
✅ Direct-fit design for straightforward installation
Applications
This SCR assembly is ideal for on-highway trucks, vocational vehicles, and commercial fleets powered by Cummins B6.7 or L9 engines from 2018–2021. It’s commonly used in delivery trucks, work rigs, and other diesel-powered equipment that require consistent emissions control.
Installation Notes
Before installation, allow the exhaust system to cool completely. Inspect surrounding sensors, clamps, gaskets, and mounting hardware, and replace any worn components as needed. After installation, verify all connections are secure and follow manufacturer-recommended system checks or resets.
Final Thoughts
When emissions performance concerns appear on your Cummins B6.7 or L9 engine, the OEM 5418508 SCR assembly offers a dependable, factory-matched replacement solution. With reliable fitment and consistent operation, it helps keep your vehicle compliant and ready for service. Tamerx has this SCR assembly in stock and ready to ship.