Optimize Emissions Performance on Cummins L9 & B6.7 (2022–2024)
What is it?
The Cummins L9, B6.7 SCR OEM 5418491 is a key emissions aftertreatment component that helps reduce nitrogen oxide (NOx) pollutants from your diesel engine’s exhaust. Working in concert with the diesel exhaust fluid (DEF) system, this SCR assembly supports the conversion of exhaust gases into cleaner compounds before they exit the vehicle, aiding emissions compliance and helping maintain reliable engine operation.
Why choose OEM 5418491?
Built to meet Cummins’ original specifications for both L9 and B6.7 engines manufactured from 2022 through 2024, this SCR assembly provides precise fitment and seamless integration with your truck’s factory aftertreatment system. Choosing a genuine OEM-matched part like 5418491 helps reduce the risk of emissions-related fault codes, warning lights, and engine derates, offering dependable compatibility and long-lasting performance.
Key Benefits
✅ Compatible with Cummins L9 & B6.7 engines (2022–2024)
✅ Supports effective NOx reduction with DEF
✅ Helps reduce emissions system alerts and interruptions
✅ Built to withstand high exhaust temperatures and daily use
✅ Direct-fit design for smoother installation
Applications
This SCR assembly is ideal for on-highway trucks, commercial fleets, and vocational vehicles powered by Cummins L9 or B6.7 engines from 2022–2024. It’s commonly used in delivery rigs, service vehicles, and other diesel-powered equipment where consistent emissions control is essential.
Installation Notes
Before beginning installation, make sure the exhaust system has fully cooled. Inspect related sensors, clamps, gaskets, and mounting hardware for wear, and replace any worn components 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 affect your Cummins L9 or B6.7 engine, the OEM 5418491 SCR assembly delivers a reliable, factory-aligned replacement solution. Designed for proper fitment and dependable operation, it helps keep your vehicle compliant and ready for the road. Tamerx has this SCR assembly in stock and ready to ship.