Up for sale is a new O-ring for a Berkeley jet pump hand hole cover. The Berkeley part number S13734. This sale is for the O-ring seal and not the cover.
Berkeley jet pump hand hole clean out cover Part Number: M-4160
Berkeley Jet Pump Hand Hole Cover with O-ring M-4128 M4128 Square Style
Berkeley Jet Pump Hand Hole Cover with O-ring M-4128 M4128 Euro Style
Berkeley Jet Pump hand hole cover O-ring S13734
Berkeley jet pump gasket set intake bowl nozzle Berkeley steering seal
Berkeley Jet Pump 05775 Cooling Water Pipe, 3/8" NPT for Berkeley 12JE & 12JF