4353068
After Treatment Device
Cummins®

The After Treatment Device (part number 4353068) in a commercial truck, specifically designed by Cummins®, is an essential component of the truck's exhaust system. This device is responsible for reducing harmful emissions produced by the engine. By utilizing advanced technology, the After Treatment Device helps to control and decrease the levels of nitrogen oxides (NOx), particulate matter (PM), and other pollutants that are released into the environment through the exhaust gases. It achieves this through a combination of chemical reactions and filtration processes. The After Treatment Device typically consists of a diesel oxidation catalyst (DOC), a diesel particulate filter (DPF), and a selective catalytic reduction (SCR) system. The DOC helps with the oxidation of harmful gases, converting them into less harmful substances. The DPF effectively traps and collects particulate matter, preventing it from being released into the air. Lastly, the SCR system uses a urea-based diesel exhaust fluid (DEF) to convert nitrogen oxides into nitrogen and water vapor, further reducing emissions. Overall, the After Treatment Device plays a crucial role in meeting environmental regulations and ensuring that commercial trucks operate with reduced emissions, making them more environmentally friendly and compliant with emission standards.