Briggs & Stratton Small Engine 12S437/0121-F8 Parts

Champion Spark Plug (RC12YC). The spark plug ignites the fuel and air mixture in the cylinder to power the engine. If the spark plug is burnt, fouled or damaged the engine may not start or may run rough.

Briggs & Stratton Original Equipment 491588S Air Filter. Briggs & Stratton genuine parts are specially designed to exact OEM standards, manufactured and tested to help deliver optimum performance in Briggs & Stratton engines.

Replacement Briggs & Stratton fuel line kit with clamps. 1/4 Inch inside diameter, Cut to length.

Briggs & Stratton in-line fuel filter. The filter screen is on the large side of the housing. The port on the large side goes to the fuel tank while the port on the small side of the housing goes to the carburetor.

Fuel Shut-off Valve, In-Line Valve, 90 Degree Valve, 3.5 & 5 HP Industrial Plus

Briggs & Stratton in-line fuel filter. If the fuel filter is clogged, it will restrict the flow of fuel to the carburetor. As a result, the engine may not start.

Small engine carburetor bowl gasket.

Spark plug wrench designed to fit Briggs & Stratton Over Head Valve engines. Combination 13/16" on one end and 5/8" on the other.

Fuel inlet hose connector

Clamp-hose

Carburetor needle & seat kit. Comes with installation instructions. The float needle allows fuel to enter the float bowl. If the float needle is stuck closed, the engine will not get fuel and thus will not start.

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.

Valve spring retainer

Fuel float kit for carburetor

Carburetor float bowl kit