Tom, I see the outside of your tire is facing down, sorry I missed that before. Could the "horn" be from a 3/4 T? The slider was used from 1940-to 1950. Different design for 1951-1954 and another design for 1955-1959. I am attaching a photo of the 1951-54 type. Good luck on your hunt. It took me over 2 years to find all my parts. Harold
