Cummins ISL SCR
(ENV-SCR-C0147SC)

The ENV-SCR-C0147SC Cummins ISL SCR (Selective Catalytic Reduction) is a high-efficiency after-treatment system designed for Cummins ISL diesel engines. It plays a crucial role in reducing harmful nitrogen oxide (NOx) emissions by injecting Diesel Exhaust Fluid (DEF) into the exhaust stream, where it converts pollutants into harmless nitrogen and water vapor through a catalytic reaction.
Built to OEM standards, this SCR unit ensures reliable emission control, improved engine performance, and compliance with modern environmental regulations. It is engineered for heavy-duty applications such as buses and trucks, offering strong durability under high exhaust temperatures and continuous operation. Designed for precise fitment and long service life, it is a dependable replacement part for maintaining optimal Cummins ISL after-treatment system efficiency.