10521 - Parts

This is a genuine OEM replacement part that is intended to be used with small engines from Briggs & Stratton and Toro. The metal screw is used to secure the intake manifold to the cylinder head assembly. The screw is available as an individual replacement part.

This is a genuine replacement part sourced directly from the manufacturer. The breather tube is commonly found in engines, outboard motors, and lawn mowers from Toro and Briggs & Stratton. This part is made of metal, and is used to allow excess vapors to vent from the crankcase assembly. This item is sold as an individual replacement part.

It is made of metal and is sold individually. The spacer goes next to the bracket-pivot. During the installation process, a wrench might be needed to replace this item. This part may become broken and will need to be replaced. It is a genuine item that is supplied by the original equipment manufacturer for use with Toro and Lawn Boy lawn mowers and lawn tractors.

This is a replacement part directly sourced from the manufacturer. The seat-valve is made of metal and plastic, and is compatible with over 150 lawn and garden engines. The seat-valve is fitted within the cylinder to block leakage and keep the engine running efficiently. A screwdriver and a wrench may be needed to make the removal and rep...Read morelacement. This part is sold individually. It is recommended to refer to engine manual and diagrams for further instruction.

This is available as an individual replacement part. The groove pin is made of metal and attaches to the bevel gear. A set of pliers may be required to replace this item if it becomes broken. This is a genuine Toro and Lawn Boy part sourced directly from the manufacturer for use in lawn mowers.