Price Match GuaranteeLawn Boy Lawn Mower 0399 Parts
Shop replacement repair parts for Lawn Boy Lawn Mower model 0399
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.
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.
Valve spring retainer
Quick-turn oil drain valve
Plug-oil drain (3/8" standard)
Lo-Tone,3-4 HP Vertical (1/2" NPT)
Small Flywheel puller with bolt spacing of 1 & 5/8". See related items for other sizes.
Rewind starter clutch kit
Head Gasket, 9D900 Series
Oil Seal, L-Head, 2-5 HP Including Quantum, Europa and Intek
Make changing your spark plug easier with a combination spark plug wrench. This part is used to make removing 13/16" and 3/4" hex head spark plugs much easier.
Terminal-spark plug
Recoil Pulley, 2-4 HP
Oil seal
Kit pump/choke diaphragm
Frequently Purchased Together For This Model
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