This specialty flat washer has multiple applications in engines but is typically used to secure connections and help to distribute the weight and pressure between two components that are connected by a bolt or screw. With regular use, this washer can become worn or get damaged over time. This flat washer can be found in many locations on lawn and garden equipment, so users will need to refer to equipment diagrams and parts manuals for exact applications and part numbers. This replacement washer is a genuine OEM part and can provide an exact fit for compatible models. This genuine replacement flat washer is designed for use with a variety of lawn tractors from RYOBI, BTD, Troy-Bilt, Cub Cadet, Yard Machines, Yard Man, Husky, and Bolens. The washer is made of durable metal and sold as an individual unit. Be sure to check the exact measurements of the needed washer prior to purchase to guarantee an exact fit. This part is typically a simple replacement and will only require a socket set, wrenches, and a screwdriver. Always wear gloves and allow engines to cool before performing repair work or making parts replacements.