Sierra MP41040 4 Position Ignition SwitchSierra Marine's replacement engine components are manufactured to meet or exceed OEM requirements. This ignition switch provides maximum corrosion protection and features a non-conductive housing that eliminates potential shorts. It also features an inner seal between the cylinder lock and contact plate.Specifications: 4 Position Conventional; Switch Function: Acc - Off - Run - Start; Rated Accessory: 15Amp @ 12v DC; Rated Ignition: 15Amp @ 12v DC; Rated Solenoid: 30Amp @ 12v DC; Inner Seal; Non-Conductive housing; Hole size: 7/8"; Back up Nut: Brass; Face Nut: Kurled Black Plastic w/Rubber Cap; Interchange: Seadog; 420375-1;