Shop replacement repair parts for Lawn Boy Lawn Mower model 10323/SERIAL: 200000001-200999999

Primer bulb. The primer bulb draws additional fuel into the carburetor to make the engine easier to start. If the primer bulb is leaking, replace it.

Briggs & Stratton Spark Plug (RJ19LM). If the engine does not start or runs poorly then the spark plug may be defective and will need replacement.

Nylon insert locking nut. Used as part of the shear bolt assembly, as well as other locations within the equipment.

Air cleaner filter

Body-primer

Valve spring retainer

Washer-clutch

Bearing-ball

Knob handle.

Lawn mower stepped washer.

Oil Fill Plug, Selected Engines w/Angled Oil Fill Neck

NGK Spark Plug (BPMR4A)

Screw-hwh

Breather Gasket, 2-5 HP Horizontal

Washer-thrust, keyed