service kit: plungers KIT 85 Plunger kit Udor code 606185 In the kit Part numberDescriptionQty 0023223 0301663 0303463 0605333 1101A43 Fits these pumps Udor CH 4 CHC 12/50 SCHC 16/50 SCHD 3.0/75 SCHD 4.5/75 S Udor CX 3 CXC 15/50 SCXD 4.5/75 SCXD 5.0/75 S