1;different kinds of excavator fuel filter ,oil filter ,air filter 2:made in china, durable, cheap , 3: higt quality different kinds of fuel filter , oil filter , air filter Applied to excavator : KOMATSU excavator fuel filter , oil filter ,air filter MITSUBISHI excavator fuel filter , oil filter , air filter DAEWOO excavator fuel filter , oil filter ,air filter HYUNDAI excavator fuel filter , ...