Is the shipping $50 from England?
Here is a company in England that has that part.
https://www.oneillvintageford.co.uk/...rch&PR=-1&TB=A
https://www.oneillvintageford.co.uk/...rch&PR=-1&TB=A
Germany must have parts dealers too.
Germany made Model A based cars for many years after 1931.
Remember that the drain pipe was made in 5/16ths and 3/8ths sizes. WOULD BE TOO BAD TO ORDER WRONG SIZE DRAIN TUBE.
Another in England:
https://www.themodelaford.co.uk/