108-4090 Toro Lawn Mower - Parts

The Ni Lock Nut (Nylock Nut) is a Silver, 5/16x18, individually sold metal nut. It can be adjusted and replaced using a wrench or socket and torque wrench to the manufacturer specfications, and is used to secure the sheer pin in place on the augur. These nuts are a one time use part due to their locking mechanism. You'll know the nut has...Read more broken because the augur will not spin, and this is when the part should be replaced. Customers found this to be an easy repair.

This is an authentic Toro replacement part, sourced from the original manufacturer for use with snowthrowers. The metal hex head screw is used with a variety of different models of snowthrowers. This screw can have different applications depending on the model of snowthrower. The screw is sold as an individual replacement part, please see model diagram for part location and usage.