Will this fit Kubota KX71-3, serial number 55001-75000, code number RG448 - 8139-0 and how much is a diesel filter for the same machine?

I have had a look for you and this hydraulic filter is the one we have listed for your machine: https://www.lsengineers.co.uk/hydraulic-filter-kubota-kx61-3-mini-excavator-replaces-kubota-rg23862190.html I have also checked and this should be the correct fuel filter for your machine: https://www.lsengineers.co.uk/catalog/product/view/id/5725