Genuine OEM replacement part, this item is sold individually.

This kit includes parts commonly responsible for low compression, including the piston and compression ring.

This is a genuine Porter Cable replacement part, it is sold individually.

This is a genuine manufacturer-sourced replacement gasket, it is specially designed for use with Craftsman air compressors.

Genuine Porter Cable replacement part, this item is sold individually.

When you use a compressor the air that is compressed inside the tank will condensate and leave water inside the tank.