The Selective Catalytic Reduction (SCR) filter plays a vital role in the emissions control system on Cummins QSB 6.7L and ISB engines from 2011 to 2017. Working within the SCR framework, this filter helps reduce harmful nitrogen oxide (NOx) emissions in the exhaust, contributing to cleaner output and helping your engine meet environmental requirements. Over time, SCR filters can become worn or restricted, leading to reduced emissions performance and potential fault indicators. The Cummins QSB 6.7L, ISB SCR Filter OEM 5418585 from Tamerx Diesel Parts is engineered to meet original equipment specifications, making it a dependable replacement to help maintain proper emissions control.
• Reduces NOx emissions effectively by enabling the SCR system to convert nitrogen oxides into harmless
nitrogen and water vapor, supporting cleaner exhaust output and helping maintain emissions compliance
• Designed for Cummins QSB 6.7L & ISB engines (2011–2017) ensuring proper fitment, correct installation,
and seamless integration with the factory exhaust and SCR system
• Supports stable exhaust flow by maintaining consistent movement of gases through the SCR system,
helping downstream emissions components operate efficiently
• OEM-grade construction (5418585) offering dependable durability, consistent performance, and
compatibility with original SCR hardware
• Ideal for highway and commercial use where sustained emissions control and efficient SCR operation
are key for long-term engine reliability
Replacing a worn or failing SCR filter with the Cummins QSB 6.7L, ISB SCR Filter OEM 5418585 from Tamerx Diesel Parts helps restore proper emissions treatment and supports the overall health of your exhaust system. Choosing a high-quality, OEM-matched SCR filter ensures your engine maintains efficient emissions performance and continues running reliably under varied operating conditions.



































