Description External Seal Kit for rebuilding BouMatic milk transfer pump Fits 2 HP pump with 4 inch Body O-ring Includes items 1, 2 & 3 in parts drawing in detail images Also Fits Thomsen #4 transfer pump and Kleen Flo #4 pump Normally in stock - Next Day air shipping available by phone Original parts from BouMatic LLC Includes; 8512561 - Graphite spring seal assembly and ceramic seal 8512623 - 4 inch housing gasket o-ring 8512624 - SS Clip for impeller - fits #4 #5 #6 pumps Bou-Matic part number for bulk 8512625 DEC Dairy Equipment Company Assembled by Hamby Dairy Supply with parts Made In USA Related Seal Kits for BouMatic milk transfer pumps MPK11 - Fits 1/2 hp and 1 hp milk pumps MPK22 - Fits 2 hp milk pump (#4 style) MPK23 - Fits 3 hp milk pump (#5 style) Related Parts; - all internal #4 pump parts available individually 59789 Clamp for BouMatic, Thomsen, Kleen Flo #4 pump 139310048 BouMatic part number for #4 clamp Updated December 2024