Studebaker # 1557585
Minimum Dia. 43 1/2" X 15/32" X 38 deg.
Nominal Diam 44"
Max. Diam. 45 1/2"
Acme 837
Atlas 678 / 641690
Bowes Sealfast 235 360
Chrysler 1533624A
Continental 709 / 710
Crown 149A
Dayco 306M / 921M
Durkee Atwood V5041 / V5742
Firestone 3-H-150 / 3-J-319
Ford B5C-8620-A / C2AE-8620-G
Gates 8219 / 8322 / 8451
GM 3703849 / 3848255 / 3884572
Goodrich 20W
Goodyear 13H435 / 13T435 / 406H
Gulf G23
Lifeline 4823
Miller W23
Mobil 209
NAPA 222 / 599
MOPAR B13435 / B13435-A
Motorcraft JB436 / JB436-L
Service King 116
Sunoco 209
Texaco 352
Thermoid V34
Tidewater 34
Union 76 209
Uniroyal 13438 / 13440

Frim Nate Nagels parts list..
1557585 Fan belt - Gates 7440
1694301 AC belt - Gates 9490
1548513 P.S. belt- Gates 7380