Try Thill Track & Tractor Service in Eau Claire, Wisconsin, I have got a lot of parts from them before, if you have the part number you can search for it on their web site;http://www.thilltractor.com/ Or mabee try Florin Tractor in Ca. They have a lot of Old New Stock parts, I have got a lot of different parts for the 1946 No.12 I am restoring. http://www.florintractor.com/default.htm
Collector of:
Caterpillar No.12 7t2044
1956 Mack B61, 1974 Kenworth K100, 1979 International 4070B, 1959 International RDT-405 "West Coaster" 1948 International KB-8, 1967 International "Donald Duck" 1956 LaCrosse "Low Boy" trailer, 1966 Allis Chalmers D17, 1945 Farmall H, 1948 Farmall Cub, IH 756 Wheatland, 1928 McCormick-Deering 10-20, 1950 Ford F1, 1950? Co-op No.3, International 2656, Cummins HB600 stationary engine, International 544 Diesel Hydro