WESPC Valve Stem Seal 33817117 For Perkins 1004-4 1006-6 1106C D Diesels Engine Brand Name WESPC Place of Origin China Part Number 33817117 After-sales Service Provided Video Technical Support, Online Support Marketing Type Ordinary Product Certificate ISO9001 Warranty 1 Year Stock Yes Application: The 33817117 seal is a metal-clad FKM (Viton) intake/exhaust stem seal used on Perkins 1004-4, 1006-6 and 1106C/D engines. It is therefore fitted to Liu-Gong CLG835/842/856 loaders