Greg: GMC Master Parts Book shows 909625 using 909645 and 909626 using 909646.

I think Timken referred to then as a B45
and B46

Last edited by Bill Hanlon; 08/25/2023 2:07 AM.
'57 GMC 102, Original 347 V8, HydraMatic, 3.08 rear gear, added A/C, disk front brakes, HEI, AFB carb, '98 Honda Black Currant paint. T-boned and totaled 10/12
'52 GMC 152 Stake Bed, Original 228, SM420, added A/C, HEI, disk front brakes, '67 Chev 3.55 rear gear. Gets used as a real truck.