The Johnson F35B-9 engine cooling pump is suitable for flange mounting and has 3/8" H port.
Specs:
• Inlet/Outlet: 3/8" BSP Female
• Replacement Impeller: Product no. 09-808B
• Replaces: Johnson 10-35122-1 Engine Cooling Pumps
• Applications: Nanni 2.40 HE, WM Diesel (Kubota) WM 12 (Z482), Diecon D850 (Circulation Pump) & Z600 (Circulation Pump), F J Fay 2400 & D850, Sea Wasp SW 4800 (6 KVA) Engines
• Mounting: Flange Mount