The Cummins 15 Inch Long Temperature Sensor is a reliable and efficient solution for maintaining proper ATS functionality without compromising fuel consumption. This sensor, with dimensions of 15 inches long, 1.56 inches wide, and 1.56 inches tall, is designed to directly replace OE sensors, ensuring a hassle-free installation process. Tested and accredited by a third party, as well as at the Dinex Test Center, this sensor guarantees optimal performance. With its compatibility with most Cummins makes and models, and direct OE replacement numbers of 3006421C1 and 4901212, this sensor is a practical choice for any Cummins vehicle.