Cummins B6.7 SCR 2022-2024: OEM 5418522

Focused Emissions Control for Cummins B6.7 Engines (2022–2024)

What is it?
The Cummins B6.7 SCR (Selective Catalytic Reduction) module for 2022–2024 engines, identified by OEM part number 5418522, is a key aftertreatment component designed to reduce nitrogen oxides (NOx) in the exhaust. Working in conjunction with Diesel Exhaust Fluid (DEF), the SCR unit enables a chemical reaction that converts NOx into nitrogen and water before the gases exit the system.

Why choose this SCR Assembly?
This SCR module is engineered to match Cummins’ original design standards for the B6.7 platform, ensuring a correct fit and dependable interaction with DEF dosing components, sensors, and engine control systems. When SCR assemblies degrade or become less efficient over time, NOx reduction performance can fluctuate, possibly leading to emissions system alerts or uneven exhaust behavior. Using the correct OEM-specified unit helps maintain coordinated aftertreatment operation.

Key Benefits
✅ Tailored to Cummins B6.7 emissions systems (2022–2024)
✅ Supports consistent NOx conversion with DEF chemistry
✅ Helps maintain steady coordination with related aftertreatment parts
✅ Direct-fit replacement — no modifications required
✅ Constructed for demanding exhaust environments

Applications
This SCR assembly is ideal for medium- and heavy-duty vehicles equipped with Cummins B6.7 engines built between 2022 and 2024. It’s commonly used in delivery fleets, vocational trucks, regional transport rigs, and other commercial applications where reliable emissions management and regulatory compliance are essential.

Installation Notes
Before servicing, make sure the exhaust and aftertreatment system has completely cooled. Remove the existing SCR module and inspect nearby DEF lines, sensors, and mounting hardware for wear, soot buildup, or damage. Install the replacement SCR assembly using proper seals and fasteners to achieve a secure, leak-free fit. After installation, clear any stored codes and verify correct SCR system behavior using diagnostic checks.

Final Thoughts
If your Cummins B6.7-equipped vehicle is showing NOx-related warnings or inconsistent emissions behavior, replacing the SCR unit with the correct OEM component can help restore balanced aftertreatment performance. The Cummins B6.7 SCR (OEM 5418522) plays an important role in managing regulated exhaust chemistry and supporting dependable vehicle operation.