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.
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.
Lawn mower stepped washer.
Toro lawn mower locking ring clip.
Nylon insert locking nut. Used as part of the shear bolt assembly, as well as other locations within the equipment.
Rewind starter clutch kit
NGK Spark Plug (BPMR4A)
Wheel drive gear
Air cleaner filter