This will also fit on a CJ2A. These are the highest quality fuel pumps available, and are SO accurate, they even have the date stamped into the side of them just like the originals.
I have included a picture of that "42" stamp. You will be very impressed with this product. The item "Jeep Willys MB Ford GPW Fuel pump with Hand Primer CJ2A G503" is in sale since Tuesday, October 18, 2016. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Other Parts". The seller is "armytankguy" and is located in College Station, Texas. This item can be shipped worldwide.