Ignition switch is 3 position, 3 screw terminal supplied with knurled chrome face nut and rubber cap. Replaces most SeaRay ignition switches from 1990 on. Fits panels up to 5/8" thick. Alternate part numbers: Sierra 8-MP41030, SIE_MP41030, SIE-MP41030, SIEMP41030, 47-MP41030