I was going to buy a new EGR valve for my well-kept 1983 XE Falcon, until I found out that it was going to cost me $230. How can Ford justify this price for such a small part?
Unfortunately that's how much a replacement part costs, but I wonder why you need to replace it. Ford's service schedule calls for the EGR valve to be checked and cleaned every 34,000km. There's no need to replace the valve unless it's not working, and if you believe it isn't working, first check the vacuum signal to make sure there isn't a problem with that before you go to the expense of replacing the valve.