The Selective Catalytic Reduction (SCR) filter plays a vital role in controlling nitrogen oxide (NOx) emissions on Cummins QSX15 and ISX15 engines from 2011 to 2016. As part of the SCR emissions system, this filter helps convert harmful NOx in the exhaust into harmless nitrogen and water vapor, supporting cleaner exhaust output and helping your engine meet environmental standards. Over time, SCR filters can become worn or restricted, which can reduce emissions performance and trigger fault codes. The Cummins QSX15, ISX15 SCR Filter OEM 5418388 from Tamerx Diesel Parts is engineered to meet original equipment specifications, offering a dependable replacement to help keep your emissions system functioning as intended.
• Effectively reduces NOx emissions by enabling the SCR system to convert nitrogen oxides into harmless
nitrogen and water vapor, supporting cleaner exhaust output and better emissions control
• Designed for Cummins QSX15 & ISX15 engines (2011–2016) ensuring proper fitment, correct installation,
and seamless integration with the factory exhaust and SCR system
• Supports stable exhaust flow by maintaining proper movement of exhaust gases through the SCR system,
helping downstream emissions components operate efficiently
• Built to OEM standards (5418388) providing dependable durability, consistent performance, and full
compatibility with original SCR hardware
• Ideal for highway and heavy-duty use where sustained emissions control and efficient SCR operation
are important for long-term engine reliability
Replacing a worn or failing SCR filter with the Cummins QSX15, ISX15 SCR Filter OEM 5418388 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 across varied driving conditions.








































