SA18166 SA 18166, SA18166, YD00000374 Air filter inner with reference number SA 18166, SA18166, YD00000374 fits for instance Zaxis ZX 38U-5, Zaxis ZX 33U-5A, Zaxis ZX 50U-5N. FSA FA52250 HITACHI YD00000374 IHI 074526609 ISEKI 180110420400 KOBELCO PS11P00003S001