The Yamaha Solenoid is the Arco original equipment quality replacement. It is an important coil of wire to be used in inductors, a helical coil of a wire with numerous loops or turns. The purpose of solenoids is to provide a uniform magnetic field similar to the magnetic fields produced by permanent magnets. The magnetic fields produced by permanent magnets are constant and challenging to vary, making solenoids more convenient to use for different purposes. It depends on a source of electric current to work like a magnet, turned on or off as needed. Key Features: Manufactured products with a reputation synonymous with premium quality and part reliability. Engineer products to exceed and outlast O/E standards often, engineering out any part deficiencies. Specifications: SKU: SW950 Brand: Arco Marine UPC: 693006009346 Weight: 1.00 lbs Mounting hole: 25 inches Threaded Terminals: 1/4 - 28