The Cummins 24.61 Inch Long NOx Sensor is a reliable and environmentally-friendly solution for controlling exhaust emissions. With a length of 24.61 inches, a height of 1.63 inches, and a width of 2.56 inches, this sensor is designed to meet EPA 10 standards. It is sold individually and can be easily installed as a direct replacement for OE sensors. Tested and accredited by third parties, this sensor offers a cost-effective balance between emission control and urea consumption. Compatible with most Cummins models, it directly replaces OE numbers 1906307, 1954665PRX, 1954666PRX, 2511405C1, 2872947, 2872947NX, 4326869RX, and 4326869.