The Facet Crankshaft Position Sensor - 90077 is a reliable and accurate component for your vehicle's engine management system. This sensor accurately detects the crankshaft position and provides an output signal to the engine's ECU for optimum performance. The Facet crankshaft position sensor is designed for easy installation and is made from durable materials for long lasting performance. With this sensor, you'll get smooth and reliable performance from your engine and you can rest assured that it will provide accurate readings for years to come.