濾(lv)清器，是(shi)指(zhi)通過(guo)濾(lv)紙(zhi)起過(guo)濾(lv)雜質或(huo)者(zhe)氣體(ti)的作(zuo)用的配件。一(yi)般(ban)是(shi)指(zhi)汽(qi)車(che)濾(lv)清器，是(shi)發動機(ji)的配件。

      按不同(tong)過濾(lv)(lv)(lv)(lv)功能分(fen)為：機(ji)油(you)濾(lv)(lv)(lv)(lv)清(qing)(qing)器(qi)(qi)，燃油(you)濾(lv)(lv)(lv)(lv)清(qing)(qing)器(qi)(qi)（汽油(you)濾(lv)(lv)(lv)(lv)清(qing)(qing)器(qi)(qi)、柴油(you)濾(lv)(lv)(lv)(lv)清(qing)(qing)器(qi)(qi)、油(you)水分(fen)離器(qi)(qi)、液壓濾(lv)(lv)(lv)(lv)清(qing)(qing)器(qi)(qi)），空(kong)氣濾(lv)(lv)(lv)(lv)清(qing)(qing)器(qi)(qi)，空(kong)調(diao)濾(lv)(lv)(lv)(lv)清(qing)(qing)器(qi)(qi)等。發(fa)動(dong)機(ji)有空(kong)氣、機(ji)油(you)、燃油(you)三種(zhong)濾(lv)(lv)(lv)(lv)清(qing)(qing)器(qi)(qi)，一般稱作“三濾(lv)(lv)(lv)(lv)”，加上空(kong)調(diao)濾(lv)(lv)(lv)(lv)清(qing)(qing)器(qi)(qi)，俗(su)稱四濾(lv)(lv)(lv)(lv)。分(fen)別擔(dan)負(fu)潤滑系(xi)統，燃燒系(xi)統中(zhong)介質，發(fa)動(dong)機(ji)進氣系(xi)統、車廂空(kong)氣循環系(xi)統的過濾(lv)(lv)(lv)(lv)。