mattdenryter wrote:
Yes it is on the workhorse chassis. Not a lug nut, although I am missing one of those as well. It’s a small circle cap about 3 inches diameter right in the center of the wheel.
OK, that is the stainless steel inspection cover that pops out to check your front hub lubricant level.
I would guess that almost any RV salvage yard would have them since they are fairly common. Not sure of any place that sells just the center cover. The lug nut covers are readily available from several online suppliers including Camping World. Make sure on the size first.
Lug nut coversHere is an RV salvage yard that can probably supply your center cover.
RV salvage