This genuine OEM replacement bracket stop seat is for riding lawn mowers or tractors. The part is located underneath the seat on riding mowers or tractors. Its purpose is to provide a safety shut off function when the rider leaves the seat while the blade is engaged. Over time, constant use of the mower can cause wear on the bracket, requiring it to be replaced. If a mower is left in the elements over an extended period of time, the bracket could rust. This would require the bracket to need replacing. Failure to replace a worn or rusted bracket stop seat could cause potential safety hazards as the engine may to fail to shut off if the rider should leave the seat while the blade is engaged. Replacing a bracket stop seat requires a screwdriver to replace. It is a fairly easy repair that should take under 30 minutes to complete. This part serves as a replacement if needed for the original bracket stop seat. This bracket is compatible with Craftsman, Cub Cadet, Troy-Bilt, Yard Machines, MTD, Husky, Montgomery Wards, Bolens, Yard-Man, and Ryobi brands. This bracket is sourced directly from the manufacturer and is sold individually.