ATV Ignition Key Switch replacement for models compatible with 35100 HM3 A60, 300EX, 300 EX, TRX300EX, Sportrax 2007-2008, TRX300X 2009, and 2x4.Designed to fit directly into the specified ignition systems, this switch provides for starting and securing the vehicle.Includes mounting hardware for straightforward installation.Matches specifications for electrical connectivity and mechanical fit.Suitable for use in off-road recreational vehicles requiring a functional key-based ignition system. This is a replacement item from an aftermarket supplier.Brand names are cited solely to demonstrate device compatibility.