Listing is for a NEW OEM Crusader R020034 Crankshaft Position Sensor 8.1L. This is a high-quality boat part manufactured in the United States by Crusader. This sensor is designed to accurately detect the position of the crankshaft in order to ensure proper engine function. With a California Prop 65 warning, this product is made with attention to safety and environmental awareness, making it a reliable choice for any boat owner looking to maintain their engine's performance.