The Detroit Diesel Heavy Duty NOx Sensor with Inlet Sensor is a reliable and practical solution for most Detroit Diesel models. With an inlet sensor type and M20 by 1.5 thread size, this sensor is sold individually and fits both OEM and aftermarket numbers A0101532228 and A0091530628. This product is an essential component for monitoring NOx emissions, ensuring optimal engine performance and reducing harmful pollutants. Its durability and compatibility make it a cost-effective choice for heavy-duty vehicles.