A well-functioning exhaust aftertreatment system is essential for modern diesel performance and emissions compliance. For Cummins B6.7 and L9 engines from 2022 to 2024, the Cummins B6.7, L9 SCR 2022–2024: OEM 5418508 is a key component designed to help reduce harmful emissions and support reliable operation. Using the correct OEM SCR assembly ensures your emissions system works as intended — helping you stay compliant and avoid unnecessary issues down the road.
• The SCR (Selective Catalytic Reduction) assembly converts nitrogen oxides (NOx) into nitrogen and water,
which helps your engine meet EPA emissions standards while keeping exhaust cleaner on the road.
• The OEM 5418508 SCR unit is engineered for Cummins B6.7 and L9 engines built from 2022 through 2024,
providing the correct fit and compatibility with factory emissions systems for these powerplants.
• Working together with your DEF dosing system, this SCR assembly supports balanced exhaust treatment,
helping optimize DEF usage and maintain smooth, efficient operation.
• Installing the correct OEM SCR component can help prevent emissions-related warning lights, fault codes,
and derate conditions that lead to downtime and costly diagnostics.
• A properly functioning SCR system also protects other aftertreatment parts by reducing excessive emissions buildup,
extending the service life of related components and lowering long-term maintenance costs.
• Choosing a trusted OEM replacement like the Cummins B6.7, L9 SCR 2022–2024: OEM 5418508 gives you confidence
in durability, correct integration, and dependable emissions control performance.
Replacing your SCR unit with the correct part is one of the best ways to maintain a healthy emissions system on your Cummins B6.7 or L9 engine. The OEM 5418508 SCR assembly delivers proper fitment and reliable operation to help you stay compliant, minimize unexpected issues, and keep your truck performing at its best. At Tamerx Diesel Parts, we provide quality components designed to support your diesel’s long-term reliability on the road.













































