In compressor machines the low pressure gas is changed to high pressure gas to get pressurize air. An air compressor is also called as a gas compressor. There are two types of an air compressors one is positive displacement and other is dynamic. Basically compressor is used to increase the pressure of a gas by reducing its volume. The main air compressor parts are piston, connecting rod, crankshaft, cylinder, and valve head. The damaged parts of an air compressor can be replaced by new parts. An Air compressor parts is of great use that is used in compressor machines and also this machine can be used for creating air pressure in order to do various kind of work. An air compressor parts can be easily replace and changed by new and parts, there is no need of changing the whole machine again and again, and also these parts have a longer life in terms of work.