Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:P 5V-280/9 230-50 IE2 (QF510509000Z),P 5V-300/10 230-50 IE2 (QF510510000Z),P 5V-350/11 230-50 IE2 (QF510511000Z),P 5V-350/11T 230/400-50 IE3 (QF510511040Z),P 5V-380/12T 230/400-50 IE3 (QF510512040Z),P 5L-180/6T 230/400-50 IE3 (QF810506040ZX),P 5L-280/9 230-50 IE2 (QF810509000Z),P 5L-300/10 230-50 IE2 (QF810510000Z),P 5L-350/11 230-50 IE2 (QF810511000Z),P 5L-350/11T 230/400-50 IE3 (QF810511040Z),P 5L-120/4T 230/400-50 (PF810504040ZX),PLUS P 5-70/2 230-50 (PF500502000ZX),PLUS P 5-70/2T 230/400-50 (PF500502040ZX),PLUS P 5-80/3 230-50 (PF500503000ZX),PLUS P 5-80/3T 230/400-50 (PF500503040ZX),PLUS P 5-120/4 230-50 (PF500504000ZX),PLUS P 5-120/4T 230/400-50 (PF500504040ZX),PLUS P 5-150/5 230-50 (PF500505000Z),PLUS P 5-150/5T 230/400-50 (PF500505040Z),PLUS P 5-180/6 230-50 (PF500506000Z),PLUS P 5-180/6T 230/400-50 (PF500506040Z),PLUS P 5-200/7 230-50 (PF500507000Z),PLUS P 5-200/7T 230/400-50 (PF500507040Z),PLUS-A P 5A-120/4 230-50 (PF540504000ZX),PLUS-A P 5A-120/4T 230/400-50 (PF540504040ZX),PLUS-S P 5A-150/5 230-50 (PF540505000Z),PLUS-A P 5A-150/5T 230/400-50 (PF540505040Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.