The Hydraulic Filter 4656602 Cross Reference PT9452 P502441 HF7679 HY90387 For Hitachi Zaxis 190W-3; ZX190W-3(Isuzu AI-4HK1X eng). Zaxis ZX210LC(Unspecified eng). ZW250(Isuzu 6HK1X eng). ZX200-3; ZX200LC-3(Isuzu 4HK1X eng). ZX210H-3; ZX210LCH-3(Isuzu 4HK1X eng).