I often purchase filers from Wix Filters in Albury NSW, I think they are distributors to the truck industry nation wide. When I had my Chrysler 300C diesel, I always used their filers at a fraction of the cost of genuine filters.
This web site may be US based , but you'll get the idea.
http://www.wixfilters.com/Lookup/App...aspx?Section=1
This is the local web site.
https://www.filtermax.com.au/
Kel