This is topic 1 piece or 2 piece rear main seal in forum Tech Talk at Northern California Ford Owners  .


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Posted by zpyro35 (Member # 3745) on :
 
Is it possible to use a 2 piece instead of a 1 piece? Or do you have to replace the old 1 piece with a new 1 piece?
 

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Posted by 4RS FED (Member # 2067) on :
 
you can not interchange them

the crankshaft designs are different
 

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