The 530014347 Fuel Cap Assembly is a genuine Poulan replacement part.
It purpose is to keep the fuel in the fuel tank.
It is removed from the fuel tank to refill the tank.
It includes a retainer that remains in the tank to keep the fuel cap from being lost or falling on the ground and getting dirt and debris on it and contaminating the tank.

This is a genuine OEM replacement part, it is sold individually.
The purpose of this filter is to help eliminate dirt, dust and debris from contaminating the carburetor and damaging the engine.
A dirty air filter can cause the engine from operating properly.
This filter can be cleaned a time or two by using an air supply. But it is advised to replace it once it becomes dirty.

This is a genuine OEM approved replacement part, it is specially designed for use with Craftsman gas powered lawn and garden equipment. By pressing on the purge bulb, it will force fuel into the fuel line from the fuel tank into the carburetor. Once the carburetor is full of fuel, the excess fuel will be purged back into the tank in the fuel return line. Over time the material may begin to deteriorate and crack eventually requiring replacement. It is a high-quality assembly which consists of a durable rubber primer bulb with a flexible hose and it is sold individually.

Genuine Manufacturer Approved Carriage Bolt is a standard part that fits a variety of products. This part is sold individually and the Nut is not included. The square area under the head is designed to fit into a square hole in the work piece it measures 5/16-18 x .75. It is this square hole that restrains the bolt and keeps it from turning when the nut is tightened.

This is an OEM replacement part and is sold individually.
Its propose is to deliver an electric current from an ignition system to the combustion chamber of a gas fueled engine.
It will ignite the air fuel mixture by the spark.
Spark Plugs will usually have to gapped to the manufactures specifications found in the owners manual.

Over time a Spark Plug will become fouled because the air/fuel ratio may be set wrong,worn piston rings, carbon build up and other factors.
It is better to replace a fouled spark plug, rather then trying to clean it.

This flangelock hex nut is an OEM part direct from Husqvarna. Constructed of durable metal, this item is compatible with many riding lawn mowers. The flangelock hex nut is fastened to the carriage bolt, securing the axle assembly braces. Although this part is sold individually, three are often required. Carriage bolts are also sold separately. A wrench set is required for the replacement.