This is an authentic Porter Cable replacement part, sourced from the original manufacturer for use with pin nailers. The special plate is commonly used to cover the top of the nailer's nose assembly. This top plate is available as an individual replacement part, see illustrated part list for associative parts.
This is an authentic Homelite replacement part. The O-ring is designed by the manufacturer for use in pumps. This part is made of flexible rubber, and is used to prevent leakage around the impeller and impeller housing. You may require a screwdriver when replacing this part. This item is sold individually.