Harry: The standard 913F head cover will fit any of the fairway clubs. A few suggestions that might assist you.

1. Check with a local Titleist retailer, they might have an old 913F laying around and would sell it to you. It never hurts to ask.
2. There are a number on eBay for sale as of this morning.
3. Check with the pro where you play a lot and see if one might show up in their lost and found. They throw them away if not claimed after a period of time.

Thanks chuck

Thanks agin chuck found one on eBay 14.00