I have the NorthStar #157310 with a Honda GX390 and Cat 66DX40GG1
For the Honda, I believe the drain is 12mm and the Cat Pump 1/4" 19 BSP.
Where can I find the male/female fittings with 3/8" ID hose barbs? I've seen people make these years ago, never thinking I would need one. Now I can't find...