air filter for k4100,r4105,r6105 1.diesel engine : K4100,R4105.R6105 ...series 2.engine parts air / fuel / ... , Ail/Fuel Filterb, Air/Fuel Filter ElementC,Cylinder Headd,Cylinder head gaskete,Starterf,pistong,fuel pumph, oil seali,water temperature, oil ... , welcome here , thanks ! air filter for k4100 , R4105 ,R6105 series diesel engine