Just looked at my 85 CA thinking the number may be embossed on the hose. I don't see it. However, it does look like a part I used on my CJ5. Only problem is it won't have the nipple for the valve cover breather.

https://www.kaiserwillys.com/products/oil-bath-air-filter-cleaner-to-carburetor-air-horn-seal-hose-fits-53-71-cj-3b-5/