Just sorted mine on my williams. When I knew I needed a new one I looked on ebay and one went for about £35. Went to renault and I paid £19 pounds. Do people not check ?
One on there now. Currently at £20
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=10410&item=2477162679&rd=1http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=10410&item=2477162679&rd=1
I think its the same dude buying them off renault and selling on ebay.