carnut222 Certainly unique but probably a bit pricey? https://www.ebay.com.au/itm/Volvo-C303-Portal-axles-Diff-locks/192658616613?hash=item2cdb593125%3Ag%3A9%7E0AAOSwZgxbiJM0&LH_Auction=1
ToomanyVolvos Not seen one of these come up in Oz for a few years. They used to come up once every year or so. Would be a bargain if the body didn't have the cancer, as values of these overseas seems to have climbed.