Shear pin. Shear pins are designed to break in half if the auger strikes a hard object to prevent damage to the transmission and engine. If the shear pin is broken, the auger won’t be able to turn.The retaining clip is not included—you must purchase it separately to complete the assembly.
MTD Spark Plug. 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.
Snow blower clutch cable 47.48". The clutch cable engages the snow blower's auger. If the cable is broken, the auger won't turn.