FinditParts has a large selection of Donaldson filters online. Donaldson Company, Inc. is a leading worldwide provider of filtration systems and replacement filtration parts. Since 1915, we have perfected and leveraged our innovative technology, strong customer relationships and broad geographic presence to meet the diverse and changing needs of our customers. FinditParts currently does not provide filter cross reference data for Donaldson parts, but some of this information can be accessed on the Donaldson website.