Shop replacement repair parts for MTD Lawn Mower model 53AA1A5L100

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 and Strartton in-line fuel filter with 40 micron rating and 1/4" inlet & outlet. If the engine does not start then the fuel filter may be clogged and not allowing enough fuel to enter the carburetor.

Fuel pump. If this fuel pump is being installed on a Intek V-Twin engine originally equipped with a metal fuel pump, related item 1567967. The fuel pump supplies fuel to the carburetor while the engine is running. If the fuel pump is clogged, the engine may not start or may run rough.

Briggs & Stratton starter gear (also called a pinion gear), 16-tooth, plastic. The starter gear engages the flyhweel to start the engine. If the teeth on the starter gear are worn out, the engine may not start.

Briggs & Stratton exhaust push rod, steel.

Push rod for intake valve.

Crankcase oil seal, PTO side

Briggs & Stratton rocker cover gasket. Be certain that all surfaces are clean and dry before installing this gasket.

Briggs & Stratton vacuum hose.

Ignition coil

Gasket-crankcase kit

Genuine Briggs & Stratton 691005 flange screw. (21/32" Long)

Clamp-hose

Gasket-exhaust

Briggs & Stratton voltage regulator. The voltage regulator sends the proper amount of voltage from the alternator to the battery to keep the battery charged. If the voltage regulator is defective, the battery may keep draining quickly.