Engine Gasket Fit For Briggs 694012 405777 406777 407777 Replace 499889 Seal Temperature Resistance Full gasket set compatible Fit For Briggs engine models 405777 406777 407777, OEM part number 694012, direct substitute for 499889 composite paper rubber coated gaskets resist gasoline, oil operating temperature leakage cut to Fit For OEM dimensional standards, cylinder head, carb base, crankcase cover sealing surfaces oil seepage, leaks power loss during engine rebuild for lawn mowers portable generators All required gaskets included in one kit to simplify full engine overhaul without sourcing separate sealing components