Personally I'd do a vin search on Partsouq com: see the red link in my signature for more info.
This is your car on Opposedforces site:
http://opposedforces.com/parts/legacy/en_b13/type_16/Here's the timing components on Opposedforces site:
http://opposedforces.com/parts/legacy/e ... tration_2/Heres the water pumps, you want destination code KA for Australia, plus the correct year/month range according to your build date/plate:
http://opposedforces.com/parts/legacy/e ... ater_pump/Some manufacturers are recommended over others, some are more "oem" than others...
Some have Japanese bearings in the kit, others not, some have single row bearings, others double. See this article:
https://www.blingstrom.com/diy-project/ ... est-pricesGenerally Aisin or Ajusa are oem quality with Japanese bearings, so I did a search for Aisin kit "21111AA280", which is your water pump p/n...
It seems that there might be no specific kit with that pump part number, which leaves doing a forum search, buying individual parts or asking for a printed quote at the dealership, which might include the kit number in the results.
Some forum search results:
https://www.subaruoutback.org/threads/w ... ic.525585/https://www.ultimatesubaru.org/forum/to ... mp-part-s/Anyhow, I dug up my son's 2004 2.5i vin and searched partsouq:
https://partsouq.com/en/catalog/genuine ... L54G004966Looks like I'll be ordering individual parts, eg timing kit and pump separately, or just get a quote from the dealership.