M16X1.5MM 1-14" Spin On Mount Hand Priming Pump Diesel Fuel Filter Mounting Base Z140-HLCZB005 Replace?Part?Number:Z140-HLCZB005, Z140HLCZB005 Specification:4 X M16*1.5MM Threaded Fuel Port. 2 Inlet Ports and 2 Outlet Ports Allow You To Connect Multiple Fuel Filters In Series or Parallel and You Can Have Fuel Enter or Exit From Either Side. 2 Plugs Are Included In Case You Do Not Need The Extra Ports. 1-14" Center Thread for Spin On Filter