Genuine Ryobi replacement part, this item is sold individually.
The Plug in Lanyard is used to attach to your tool belt or belt loop, while the battery for the cordless tools below is being charged.

This is a genuine item which is supplied by the original equipment manufacturer for use with Homelite and Ryobi chainsaws. It is an identical replacement for a missing or damaged oil tank which was installed on a new unit, please make sure to refer to the appropriate diagrams of your model for the correct location and application of this component. This high-quality item is made of durable plastic material and is sold individually.

This is an OEM replacement part,it is sold individually.
The purpose of the Air Purge Bulb is to purge all of the air from the carburetor.
It then brings fuel up through the fuel line in the tank into the carburetor.
Once the carburetor is full of fuel the Bulb will force the excess fuel back into the tank through the fuel return line.

Over time the bulb will loose it elasticity or begin to crack, it will need to be replaced at this time.

This is a genuine OEM replacement part, it is sold individually.
A spark plug is used to deliver electric current from an ignition system to an internal combustion engine.

Over time spark plugs will become dirty or fouled.
It is a good idea to replace the spark plug once this happens.
You will need to gap your spark plug according to the owners manual of the tool you have.

This is a genuine OEM replacement part, it is sold individually. This is the threaded cap for the 5836201 Oil Tank. It is commonly used with chainsaws, and is compatible with the models listed below. This part prevents oil from spilling out, and is needed to keep the tool running properly. No tools needed for installation, simply thread onto the oil tank.