There are also specialist 'used car part finder' websites.(do a google search) You enter the part you need (and can specify colour) .The service is free to buyers. With luck various car breakers around the country will respond with their price for the part including postage. With a more common car you may be spoiled for choice ,and some may be close enough to collect/inspect yourself . You can also pay using the sites own secure payment,just like ebay.