Kitchenaid Range Grate Insert

Recently had a customer with YKDSS907SS04 Kitchenaid gas range. She had been cleaning her heavy grates and the one grate insert fell out and landed on the floor - breaking the insert. When you look up the product, there is a dotted line around the whole grate assembly - not showing that you can buy just the insert. That assembly is a $250.00 item on average plus shipping. SO! Never one to back down from a challenge. I looked up the three previous models until I found the breakdown showing the separate part #'s for each part in the grate system. I compared the part # on the main cooktop itself and it was the same so why not try right? Customer got it the very next day, paid half the price and it was in stock. This was the text