Home/Shop/Milking Equipment/Milk Line & Parts/Milk Pumps/External Ceramic Seal Kit f/LC Thomsen #5 Pump SOLD OUT External Ceramic Seal Kit f/LC Thomsen #5 Pump SKU: 9223-BO Add to My FavoritesAdd to My FavoritesExternal Seal Kit. Includes 1 head O-ring 2 impeller clips 1 ceramic ring assembly and 1 carbon seal assembly. This kit is for the LC Thomson Model 5 Milk Pump. Out of stock