Truck driveshaft-torque tube grease seal
I'm trying to locate a newly manufactured drive shaft grease seal that sits in the torque tube after the drive shaft bearings. The Ford part number is BB-4686 and fits 1932 through 1939 (big trucks, not pickup or commercial). The attached image is an example, but damaged. I'm restoring my truck and now is the time to put new seals in. I think the rubber on a NOS seal would be old and hard, so that's why I'm looking for a newly manufactured seal. The original in my torque tube looks ok, but I have no way to test it to see how well it keeps the grease where it belongs. If it helps, here are some dimensions: outer seal diameter (bore) 2.105", shaft diameter 1.370", thickness 0.469" (15/32").
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