I may not have a part number, but the following numbers and letters are on the outside of the hose I have used on my '46 2 ton truck, and have since replaced with the two hoses and the steel elbow. It was working fine, only it was 15 years young so its been replaced before it becomes a surprise.
7A13 EBP 80MH50 Made in USA.
I do remember that the hose was sourced from NAPA, and probably is the above referenced molded hose for a '47-'51. It also contains an anti-collapse wire coil inside. From the looks of it, it is possible that I had to slightly trim one end to keep it from trying to kink, but it maybe just misshapen from being on the other side of the clamp against the pump for all those years.
