UPDATE: Still Available.
(02/25/2022) Not sure if these fit a 2A or 3A body better given the 2″ differences in wheel housings. The text on one of the packages reads “Side Panel Left 46-53 Willys CJ-2A and CJ-3A”.
https://northernwi.craigslist.org/pts/d/bruce-willys-jeep-cj2a/7567014824.html
“Willys Jeep rear panels don’t need them. Need cash or trade for other Jeep parts”