Thread: How can i tell
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  #5  
Old 06-14-2009, 01:58 PM
glc glc is offline
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Join Date: Dec 2006
Location: Joplin MO
Vehicle: 2003 Ford F150
Posts: 9,201
It's either a 4R70W or a 4R75E, depending on engine and NBS/OBS. Door code "B" is 4R75E, "U" is 4R70W.
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2003 F150XL 4.2 short cab/bed 4x2 5 speed manual 3.55 LS
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