I t em Spe cifications. Fits many MTD Riders & RZTs with 42-in decks. 6-Star Design on shaft. Mounting screws not included. MTD Genuine Parts® are made for MTD’s family of brands including Troy-Bilt®, Yard Man®, Arnold®, Remington®, Yard Machines®, Columbia®, Murray®, Robomow®, and more. MTD brands, products, and parts are backed by a strong network of MTD sales, service, and support. Founded in Cleveland, Ohio in 1932, MTD Products Inc® is a leader in the design and manufacture of outdoor power equipment such as lawnmowers and snow blowers. OUR PLEDGE TO YOU. Fit and Function Guarantee. Many replacement parts should be installed only by a professional. If you are not qualified to install this item, you are more than welcome to return it.