Champion spark plug (RCJ6Y). The spark plug ignites the fuel and air mixture in the engine's cylinder to power the engine. If the spark plug is has fouled (if the tip of the spark plug is burnt or damaged), the engine may not start or may run rough.
Small engine primer bulb. The primer bulb draws additional fuel into the carburetor to help start the engine.
Nut hex flange
Husqvarna spring retainer
Briggs & Stratton Original Equipment 100005 4 Cycle Oil. (18oz Bottle) Briggs & Stratton Lawn Mower Oil is formulated for 4-cycle air-cooled engines. Don't overfill the crankcase when adding oil. Too much oil can damage the engine.
Washer 3/8 Splt Lock
Pin clevis shear
Nut-Locking. The manufacturer has changed vendors and the part may vary in character. Some do not have a nylon insert, however the nut is a locking type.
Nut crownlock 3/8-2