Parts for Troy-Bilt 21A-645A063: Driveshaft / Shim Parts

This part is a replacement flat washer. This is a genuine OEM part made by MTD and has been sourced directly from the manufacturer. The intended use for this part is to properly replace a defective or lost washer in outdoor power equipment.Flat washers are an essential piece of hardware as they enable screws and bolts to have a tighter fit by increasing the bearing surface area. If any equipment washers are lost, corroded, damaged, or ineffective, they should be immediately replaced. Always ensure that the equipment is completely powered off and is cooled down before attempting to start the repair process. For more accurate information on installation of this particular flat washer, reference the owner's manual or equipment diagrams for specific instructions and part location. This is an authentic OEM part and as such is sold individually and made from durable and high-quality metal. This flat washer can be used with a variety of outdoor power equipment manufactured by MTD, Craftsman, and other brands.