Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:KM50/1 230-50 (PF030040100ZX),KM50/1 230-50 (PF030040100ZX),KM50/1T 230/400-50 (PF030040140ZX),KB100/1 230-50 (PF040060100ZX),KB100/1T 230/400-50 (PF040060140ZX)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.