15.5mm Black Air Compressor Oil Plug – Plastic Vent/Breathing Rod Valve Accessory For Pneumatic Tools

About This Product

This is a simple but important replacement part for many air compressors. It's a black plastic oil plug/vent hat that lets your compressor breathe while keeping contaminants out. The male thread diameter is about 15.5mm, the hole inside is 9mm, and the total length is roughly 55.6mm. It has a non-slip handle for easy installation by hand – no special tools needed. If your old plug is cracked, stripped, or missing, this is an affordable fix. Using the right plug helps maintain proper pressure and function in your compressor. It's a generic spare part used in various pneumatic tools and equipment. We sell a lot of pneumatic fittings, so if you have any issues, just let us know.