The Bosch Knock Sensor - 0261231118 is a high-quality sensor designed to detect engine knock or detonation in a vehicle's engine. It is specifically designed for use in gasoline engines and is compatible with a wide range of vehicle makes and models. The sensor is able to accurately detect vibrations and signals caused by engine knock, allowing for timely adjustments to be made to prevent engine damage. It is made with durable materials and is built to withstand harsh conditions under the hood. The Bosch Knock Sensor - 0261231118 is a reliable and essential component for maintaining the performance and longevity of a vehicle's engine.