Hign Quality & Hign Performance-Manufactured from high quality materials , meets or exceeds OEM standards and very stable,100% tested before shipping.Replacement Ignition Switch Key -This is a 3-way, 4-terminal OFF-ON-Lights/Accessories-ON ignition switch that contains 2 standard keys.Responsible for vehicle start-up and controlling the power on/off functions of the vehicle’s lights and accessories.Reference OE Part Number-33639-G01,33639G01.No modification necessary.Direct replacement for a proper fit and easy installation,Even though it is not a genuine GM part, but it works even better and last longer at a much lower price.NOTE:It will fit models with integrated lights switch??This is for the(4 prong) model.Fit These Vehicles-For EZGO: Used on 1991-current E-Z-GO Gas And Electric Txt, Medalist, 4/6-Passenger Shuttle, ST 400, Woods Boundary Mav 400, ST Sport, ST Sport II, ST Express. For EZGO Golf Cart: Workhorse-Mpt (Multi-Purpose Truck) 800, Refresher, Refresher 1200, 835, Cushman C