Timken a150 pinion seal

W

Wadeifer

Junior Member
Anyone have a part number for the Timken a150 pinion seal for my 1954 F250? I have the exploded diagram with part numbers but nothing comes up when searching online.

Also if anyone knows what this part is? It is not attached to anything and I can freely spin it with my fingers. Is it supposed to spin freely?
 

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I don't have a MPC that goes that far back.

There should be an ID NO on the seal itself that can be changed over to a modern PN.

What PN does your schematic show?
 
That is a shield to help protect the seal but it should not be free turning if the yoke is stationary. Those shields are normally fastened to the yoke in a crimped fashion and rotate or turn with the yoke. When the yoke is removed to replace the seal, then steps can be taken to refasten the shield to the yoke. Ted Eaton.
 
According to my ford parts manual, if it’s the original rear end, the seal number is TBAA4676-A. That number transfers over to Timken 451078 who manufactured the original seal. national part # is the same as Timken, good luck.
 
Your 1954 Ford F250 is fitted with a Rockwell differential , metal cased spring loaded: dimensions: ID 1.875 (1.7/8) X 3.252 (3.1/4) OD X .500 (1/2) W.
 
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