This is an authentic Hitachi replacement part, sourced from the original manufacturer for use with air compressors. The special cover is used to seal the side of the carter that houses the crankshaft. This cover is available as an individual replacement part, please see model diagram for associative parts.
The discharge tap fits onto the tank. This part is available as an individual replacement even though two may be needed. It is an authentic OEM sourced item which is specially produced for use with Hitachi compressors. This item is made of plastic and metal and will need to be replaced if it becomes broken.
Genuine Hitachi replacement part used on specific Air Compressor, this item is sold individually. This compressor Regulator is used to regulate the air pressure in the compressor tank. It is also used to regulate the air pressure of the air exiting the tank. In some instances you will need to lower or higher the air pressure of the tank and the air coming from the tank.