Shop replacement repair parts for Lawn Boy Lawn Mower model 10533/SERIAL: 6900001-6999999

Champion Spark Plug (RC12YC). The spark plug ignites the fuel and air mixture in the cylinder to power the engine. If the spark plug is burnt, fouled or damaged the engine may not start or may run rough.

Briggs & Stratton Original Equipment 498260 Carburetor Overhaul Kit. If the carburetor is clogged, the engine won't get enough fuel. As a result, the engine may not start or may run poorly.

Lock nut with nylon insert.

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.

Ignition coil. The ignition coil sends voltage to the spark plug while the engine is running. If the ignition coil is defective, the engine may not start. If your engine was built before date code 101230xx, you will need to order a new Governor Arm see Related Items below.

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.

Cap-fuel tank

Spark plug wrench designed to fit Briggs & Stratton Over Head Valve engines. Combination 13/16" on one end and 5/8" on the other.

Carburetor float bowl kit

Washer-clutch

Fuel Line, 23" (1/2" OD x 1/4" ID) Cut to Fit

Fuel float kit for carburetor

Bearing-ball

Clamp-hose

Spark plug boot