have you checked ebay, there's a few going for around the £40-50 mark plus postage, couldn't say if they work obviously so it's a risk for someone just wanting to swap one in
but if you're planning to fix them and sell at a markup then there's still room for a margin on it I'd imagine
https://www.ebay.co.uk/sch/i.html?_f...c&LH_PrefLoc=1