51637 (1000001 - 1999999) Toro Trimmer

This is a lock nut and it is used in a variety of outdoor lawn equipment. This lock nut has a nylon insert, making it a nyloc nut. The insert allows the nut to be resistant to turning caused by strong vibrations.

It is a genuine manufacturer-approved replacement part which is produced for use with Toro and Lawn Boy lawn and garden equipment. This special screw has a few several applications depending on the mo...

This is a genuine manufacturer sourced replacement lock nut which is specially designed for use with Toro snowthrowers. It is a standard hardware which has multiple applications, please make sure to r...

The knob attaches to the curved washer and the lower handle. It is an authentic OEM sourced item which is specially produced for use with snowthrowers, trimmers, tillers, blower-vacuums, and lawn mowe...