This OEM 5/16" Lock Nut is constructed of metal and comes individually sold. It requires a wrench set and socket set to use. This nut will secure parts into place, and should be replaced if damaged. Refer to your make, model and diagrams to check if this size is correct.
This is a genuine Toro replacement part. The friction washer is designed by the manufacturer for use in lawn tractors. This part is used to help secure the idler arm and apply friction to its motion. You will require a wrench when replacing this item. This part is sold individually.
This is a genuine replacement part sourced from the original manufacturer for use with lawnmower engines. The special tie strap is used to tie down cables to prevent potential damage. This item is available as an individual replacement part, please see illustrated diagram for associative parts.