This is an authentic DeWalt replacement part, sourced from the original manufacturer for use with air compressors. The special o-ring is commonly used to provide spacing and compression for the bushing. This o-ring is available as an individual replacement part, please see illustrated part list for associative parts.
The pressure switch is made out of metal and plastic. It is a genuine DeWALT replacement part for use in compressors. This part is available individually. When replacing this item a screwdriver and a wrench might be required during the installation process. This item will need to be replaced if it breaks.
The pet cock is made out of metal. This is an OEM part sourced directly from the manufacturer and used in compressors made by DeWALT and Porter Cable. This is available as an individual replacement part. It might require a wrench during installation. It may become stripped or broken and will need to be replaced.