Emissions Support You Can Count On for Cummins B6.7 (2018–2024)
What is it?
The Cummins B6.7 SCR OEM 4394891 is a key part of your engine’s emissions aftertreatment system that helps reduce nitrogen oxide (NOx) emissions from the exhaust. Working together with the diesel exhaust fluid (DEF) system, this SCR assembly assists in converting exhaust gases into cleaner byproducts before they exit the vehicle, supporting emissions compliance and steady engine operation.
Why choose OEM 4394891?
This SCR assembly is engineered to meet Cummins’ original specifications for B6.7 engines manufactured from 2018 through 2024. Designed for proper fit and dependable integration with factory aftertreatment components, it helps lower the risk of emissions-related warning lights, fault codes, and derates. OEM quality ensures compatibility and long-term reliability.
Key Benefits
✅ Designed for Cummins B6.7 engines (2018–2024)
✅ Supports effective NOx reduction with DEF
✅ Helps minimize emissions-related warnings and interruptions
✅ Built to withstand high exhaust temperatures and tough conditions
✅ Direct-fit design for straightforward installation
Applications
This SCR assembly is ideal for on-highway trucks, vocational vehicles, and other diesel-powered equipment featuring Cummins B6.7 engines from 2018–2024. It’s well suited for fleets, delivery rigs, and commercial vehicles that require consistent emissions system performance.
Installation Notes
Ensure the exhaust system has fully cooled before beginning installation. Inspect related sensors, clamps, gaskets, and mounting hardware, and replace any worn components as needed. After installation, confirm all connections are secure and follow any manufacturer-recommended system checks.
Final Thoughts
If emissions system issues arise on your Cummins B6.7 engine, the OEM 4394891 SCR assembly delivers a reliable, factory-aligned replacement solution. With proper fit and consistent performance, it helps keep your vehicle compliant and ready for the road. Tamerx has this SCR assembly in stock and ready to ship.