The Bosch Oxygen Sensor - 16826 is a high-quality automotive sensor designed to measure the amount of oxygen in a vehicle's exhaust system. It is a direct fit replacement for the original sensor and is compatible with a wide range of vehicle makes and models. The sensor is made with durable materials and features a dual-layer coating to protect against contaminants and ensure long-lasting performance. It also has a built-in heating element for faster response times and more accurate readings. The Bosch Oxygen Sensor - 16826 is an essential component for maintaining proper fuel efficiency and reducing harmful emissions.