Price Match GuaranteeBriggs & Stratton Small Engine 300421/0145-99 Parts
Shop replacement repair parts for Briggs & Stratton Small Engine model 300421/0145-99
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.
Clamp-hose
Fuel Line, 23" (1/2" OD x 1/4" ID) Cut to Fit
Oil Fill Plug, Selected Engines w/Angled Oil Fill Neck
Spark plug boot
Large flywheel puller with 2 & 13/16" bolt spacing. See related items for other sizes.
Dipstick seal
Screw-control bracket
Breather gasket
Float-carburetor
Gasket-float bowl
Rod-governor control
Cylinder head screw (5/16 - 18 x 2.69)
Frequently Purchased Together For This Model
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