Doosan Service Kits. All your oils and filters under one roof! Can’t find what you need? Pleasecontact usfor quote or if you cannot find filters or oils or your machine make/model listed on this website and we will be happy to help. We stock a large range of Fleetguard Filters and Morris Lubricants for ALL makes and models of heavy duty machinery. You can buy complete filter kits or individual filters. We are in the process of uploading new filters kits all the time.