Fiat 500 600 12 inch Whitewall Insert Set Italian Cars >Fiat >Topolino >Tires Fiat part # 1903138 AS 4113 Fiat part # 1903138 1443096407 Left front outer door panel for Alfa Romeo Giulia Sedan 1750 and 2000 models from 1963 78 Set of 4 whitewall inserts 12 inchfor Fiat 500 and 600 models should only be used on tubed tires remove the valve from the inner tube in order to completely deflate the tire debead the tire from the wheel slip the whitewall insert between the wheel and tire refit the valve and inflate the tire allowing the insert to become trapped between the wheel and tire glue is not necessary however they can be glued without glue the insert will whip and cause tire wear where the outer part of the insert rubs on the tire sidewal