The Sierra International 18-5108 Pick Up Coil Sensor is a reliable and essential component for maintaining optimal engine performance. Designed for durability, this sensor accurately detects the position of the crankshaft, ensuring precise timing and efficient ignition. Its high-quality construction guarantees longevity, making it a perfect replacement for worn-out sensors. Easy to install, the 18-5108 is compatible with various marine and automotive applications, providing seamless integration. Upgrade your engine's performance with this dependable pick-up coil sensor and enjoy smoother operation and improved fuel efficiency.