CATERPILLAR EXCAVATOR HYDRAULIC CONTROL VALVE SEAL KIT. The item "1211385 121-1385 CONTROL VALVE SEAL KIT CATERPILLAR 312B 312BL HYDRAULIC" is in sale since Thursday, August 2, 2012. This item is in the category "Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Hydraulics". The seller is "islandmachinery" and is located in Aquebogue, New York. This item can be shipped worldwide.