... diameter 50MM. The maximum oil-out diameter is 19MM. JC089 diesel pump operated by DC12V motor, full –sealed .device.when it works ... , first should put clean diesel pump in the middle of diesel bucket, does not allow empty load operation. Pay ... prohibited pumping gasoline, alcohol and other flammable liquids, The pump mainly smoke diesel, flow rate: 33L/min. The outer diameter 50MM. ...