service kit: low pressure seals KIT 279 Low pressure seal kit Udor code 607224 In the kit Part numberDescriptionQty 0023B35 1101B25 1221795 Fits these pumps Udor PENTA 1 PENTA-B 21/600 R Udor PENTA 600 2 PENTA-C 30/600 RPENTA-D 7.5/88 R