The Bosch Oxygen Sensor - 0258017101 is a high-quality sensor designed to measure the oxygen levels 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 models. The sensor uses advanced technology to accurately detect the oxygen levels and send this information to the vehicle's engine control unit. This allows the engine to adjust the air-fuel mixture for optimal performance and fuel efficiency. The Bosch Oxygen Sensor - 0258017101 is durable and reliable, providing long-lasting performance and helping to reduce harmful emissions from the vehicle. It is an essential component for maintaining the overall health and performance of a vehicle's engine.