Welcome to the addiction! (I’m the proud owner of a 1987 VW Syncro Westy). As mentioned before, join The Samba Vanagon forum, this is probably the biggest source of Vanagon information you’ll find in the web (there’re lots of super-knowledgeable and friendly folks there, and super-detailed projects write-ups) - my username is the same there.
Classified ads, photos, shows, links, forums, and technical information for the Volkswagen automobile
www.thesamba.com
Don’t be be surprised if after you introduce yourself the first piece of advice you receive is to change your fuel lines, they need to be changed due to age to avoid fire hazard risks.
I belong to a couple of FB groups ("Vanagon Owners", "vw syncro" and "WetWesties") but I truly dislike FB interface and search capabilities so much that I rarely check them (The Samba is way better).
Below are links for several places that I use to source parts (I'm sure there're more places) - contrary to what you might expect, the level of parts support for Vanagons is amazing (especially for a 30+ year old vehicle). It’s true that some OEM parts might not be available anymore, but I usually find after-market replacements and/or upgrades available (The Samba is a great place to ask/search for that information). A lot of the fun with these vans is doing mods and/or upgrades to make them more reliable/capable/fun.
I wouldn’t worry about trying to exclusively find parts locally (Canada or US), worldwide shipping charges (unless trying to ship a full transmission) are pretty reasonable.
USA
GoWesy (
https://www.gowesty.com)
Van-Cafe (
https://www.vancafe.com)
Bus Depot (
https://www.busdepot.com)
Vanagain (
https://www.vanagain.com)
VanagonLife (
https://www.vanagonlife.com)
EuroCampers (
https://www.eurocampers.com)
Canada
Cip1 (
https://www2.cip1.com)
Dr Bjorn’s Auto (
https://www.drbjornsauto.com)
UK
CamperVan Culture (
https://campervanculture.com)
JustKampers (
https://www.justkampers.com)
Germany
Gunzl Classic Parts (
https://www.vwbusshop.de/en/Westfalia-T3)