The Cummins 41.40 Inch Long NOx Sensor is a reliable and environmentally-friendly solution for controlling exhaust emissions. With a height of 1.63 inches and a width of 2.56 inches, it is designed to fit most Cummins models. This sensor is directly replaceable with OE sensors, making it easy to install. Tested and accredited by a third party, as well as at the Dinex Test Center, it ensures accurate and efficient performance. With direct OE replacement numbers such as 2520640C1, 2872942, 2872942NX, 4326872, 1954664PRX, and 4326872RX, it offers a cost-effective balance between emission control and urea consumption.