The Mazda 3 6 CX-3 CX-5 2.2D DPF exhaust pressure sensor SH01-182B2 is a crucial component for monitoring and regulating the emissions of Mazda vehicles. Designed specifically for Mazda models, this sensor ensures optimal performance and efficiency of the exhaust system. With reference OE/OEM numbers K4358 and 21912434, this sensor is a reliable and genuine part made by the manufacturer, providing peace of mind for car owners.