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Discussion Starter · #1 ·
I have a 2003 mustang gt with an automatic but im not sure which of these transmissions above I have. And a lot of websites are very unclear on if the 4R75W's were put in the 2003 mustangs.
I'm just wondering if there is any way I can really tell or find out which transmission I have
 

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Discussion Starter · #5 ·
According to my ford workshop manual. You should have 4r70w.It does not list any other auto tranny for our car. Hope that helped you.
Ok thanks :)

---------- Post added at 05:35 PM ---------- Previous post was at 05:35 PM ----------

Some late 03's do have a 4R75W and all 04's do.
My cars build date was in January of 2003 so I believe that I have the 4R70W
 
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