The Cummins 31.30 Inch Long NOx Sensor OE 1831900, 2871978, 2894939, 4984053, And 4984576 is a reliable and efficient solution for managing exhaust emissions. With dimensions of 31.30 inches long, 1.63 inches tall, and 2.56 inches wide, it meets EPA 10 standards for exhaust emissions. This sensor is sold individually and can be easily replaced with OE sensors. It has been rigorously tested at the Dinex Test Center and accredited by a third party. With its direct OE replacement numbers, it fits most Cummins models. This sensor strikes a cost-effective balance between emission control and urea consumption. Installation is a breeze, making it a practical choice for reducing environmental impact.