Cummins B6.7 SCR 2018-2021: OEM 5418555

Transform Your Emissions Control on Cummins B6.7 (2018–2021)

What is it?
The Cummins B6.7 SCR OEM 5418555 is a key emissions aftertreatment component that helps reduce nitrogen oxide (NOx) pollutants from your engine’s exhaust. Working with the diesel exhaust fluid (DEF) system, this SCR assembly supports the conversion of exhaust gases into cleaner compounds before they exit the vehicle, assisting with emissions compliance and dependable engine operation.

Why choose OEM 5418555?
This SCR assembly is built to meet Cummins’ factory specifications for B6.7 engines made between 2018 and 2021. Designed for accurate integration with your vehicle’s aftertreatment system, it helps reduce the risk of emissions fault codes, warning lights, and unexpected derates. Choosing an OEM component means reliable compatibility and performance that aligns with your engine’s original design.

Key Benefits
✅ Compatible with Cummins B6.7 engines (2018–2021)
✅ Supports effective NOx reduction with DEF
✅ Helps minimize emissions system alerts and faults
✅ 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 engines from 2018–2021. It’s commonly used in delivery rigs, service vehicles, and heavy-duty equipment that require consistent emissions control.

Installation Notes
Before installing, ensure the exhaust system has fully cooled. Inspect related sensors, clamps, gaskets, and mounting hardware, and replace any worn components as needed. After installation, verify that all connections are secure and follow manufacturer-recommended system checks to confirm proper function.

Final Thoughts
When emissions-related concerns affect your Cummins B6.7 engine, the OEM 5418555 SCR assembly provides a dependable, factory-aligned replacement option. With correct fitment 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.