Do you have the build list that has all the parts Winnebago used to build your RV? If not, go to winnebagoind.com, select Owner Resources, scroll down to #2 and click on the Genuine Winnebago Parts (etc) Catalogue link. Then follow the path using your RV info and download the list for future reference. Scroll down the build list, or use the search function, for the word Fog. That should give you the Winnebago number for the fog lights. Google that number and hopefully you will find replacements. Our replacements came from eBay.
2005 Adventurer 33V
2014 Honda CRV