The Volvo Heavy Duty NOx Sensor with Inlet Sensor (OEM Number 22303390) is a practical and reliable solution for your Volvo vehicle. Designed with an inlet type and M20 by 1.5 thread size, this sensor fits most Volvo models. It is sold individually and is compatible with various OEM and aftermarket numbers, including 21346959, 21302275, 21227721, 20958942, S11390, 22303390, 21636091, 21567764, and 21479638. With its high-quality construction and accurate readings, this sensor ensures optimal performance and helps maintain emission standards. Trust in this NOx sensor to enhance your Volvo's efficiency and reliability.