This is an authentic Rolair replacement part, sourced from the original manufacturer for use with air compressors. The special plug clocks the oil inlet port, and is used as a breather to allow gasses to escape the crankcase. This breather/plug is available as an individual replacement part.
This is an authentic Rolair replacement part that has been sourced from the original manufacturer to be used with pumps and air compressors. The metal washer is used with different types of equipment and the application of the washer can vary based on the model of the machine. This item is available as an individual replacement part.