That will be a different item, not actually an RV item but more an appliance item!
Part of the confusion on RV is that there are three different things involved. The chassis from folks who build trucks, the RV part like walls and putting them together and then the items they buy to put together like microwaves!
For info on apliances, we need to get the brand and model number of the appliance and search for parts for that appliance, in your case a microwave!
One reason to look directly at the appliance name and model number, rather than Winnebago info is the number of items which can get changed over the years!
Not trying to put you off but just explain a bit about the confusing RV world!
Best of luck in the search!
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Richard
Why no RV year, make and floorplan on MY signature as we suggest for others?
I currently DO NOT have one!