This is a genuine OEM part. The compression connector assembly is made by Campbell Hausfeld, and is compatible with many air compressor devices. The metal component secures the manifold to the compressor tank. This item is sold individually. A screwdriver and a pair of pliers are often helpful in making the replacement.
This part is an OEM from Campbell Hausfeld for use with Air Compressors. The check valve lets pressurized airflow into the tank and prevents air from flowing back into the pump. The most common reason for replacing the check valve is if it is stuck open. This part is sold individually. The tools that you will need to replace the check valve is an adjustable wrench and a 7/16 wrench.
This is sold as a set that contains eight washers. These parts attach to the tank and are made out of metal. They are genuine items that are supplied by the original equipment manufacturer for use with Craftsman air compressors. During replacement, it may require a wrench to help install these parts correctly. They will require replacing if they become bent or broken.