bought this due to the clio not starting right, it was later found to be the EGR valve, which is now replaced and car is fully 100% right again. anyway, glowplug relay:
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=170548378310&ssPageName=STRK:MESELX:IT
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=170548378310&ssPageName=STRK:MESELX:IT