[Kube]

No part number on the body. However, there's a code stamped in the body. that code will tell you what year and month the body was manufactured.
From the photo you'd posted, that's a late '40 pulley and a '40 front bracket. Both should have a part number in them.
The body could be from a number of years. More often than not, it seems these old units have been mismatched with parts from various years.
How many terminals total?