ADAOER Filter manufactures a full range of hydraulic oil filters designed to remove contaminants and protect hydraulic systems in excavators, cranes, loaders, and other heavy machinery. Our range includes return line filters, suction filters, and high-pressure hydraulic filters, built to match OEM filtration ratings and flow capacity.
With 21 years of manufacturing experience, we supply distributors, importers, and equipment fleet buyers with wholesale pricing, flexible MOQs, and consistent quality control on every batch. Our engineering team also supports OEM/ODM development - custom filtration ratings, housing dimensions, and private-label packaging for customers building their own hydraulic filter line.
Send us your machine model or old filter part number for a fast cross-reference, wholesale quotation, or OEM/ODM proposal.











