Shop replacement repair parts for Lawn Boy Lawn Mower model 680538

Briggs & Stratton Original Equipment 491588S Air Filter. Briggs & Stratton genuine parts are specially designed to exact OEM standards, manufactured and tested to help deliver optimum performance in Briggs & Stratton engines.

Briggs & Stratton flywheel key. The flywheel key aligns the flywheel in the correct position on the crankshaft. If the engine stops suddenly due to hitting a hard object, the flywheel key shears in half to prevent damage to the engine. If the flywheel key is broken, the engine won't start.

Carburetor needle & seat kit. Comes with installation instructions. The float needle allows fuel to enter the float bowl. If the float needle is stuck closed, the engine will not get fuel and thus will not start.

Valve spring retainer

Fuel float kit for carburetor

Clamp-hose

Spark plug boot

Small Flywheel puller with bolt spacing of 1 & 5/8". See related items for other sizes.

Nut-push

Rope guide

Screw

Knob-handle

Cap, terminal (9-way) (accepts terminal 94613)

