Volvo / Mack D13 SCR
(ENV-SCR-C0179SC)

The ENV-SCR-C0179SC Volvo / Mack D13 SCR (21311953) is a high-performance Selective Catalytic Reduction system designed for Volvo D13 and Mack MP7/MP8 diesel engines. It helps reduce harmful 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 efficient emission control, improved fuel economy, and compliance with modern environmental regulations. It is engineered for heavy-duty trucking applications, offering strong durability under high exhaust temperatures and continuous operation. Designed for precise fitment and long service life, it is a reliable replacement part for maintaining optimal performance of Volvo and Mack after-treatment systems.