IGNITION SWITCH & KEY fit MTD LT2150 LT2200 LT4600H LT542G LT542H LT546G LT546HOne New Aftermarket Replacement Ignition Switch with Key for MTD, John Deere, Husqvarna, Cub Cadet, and Murray Riding Lawn Mowers This 4 position, 7 terminal rotary ignition switch with included key controls the ignition system on a wide range of riding lawn mowers and lawn tractors. It supplies current to the starter to start the engine and provides accessory power, ignition on, and engine start positions. Compatible with MTD auto drive step through