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Transmission interchange question


Raptor700


ASE Certified Tech
Joined
Oct 12, 2025
Messages
1
Points
1
City
Nanaimo
State - Country
BC - CAN
Vehicle Year
2003
Vehicle
Ford Ranger
Drive
4WD
Engine
4.0 V6
Transmission
Automatic
Hey everyone
I have a 2003 ranger FX4 Level 2 , my daughters first truck she purchased last wk. was a rare find over here on Vancouver island. Other than the box rusted out and rear leaf spring hangers rusted off , not a bad truck. Fixed the wiring for the left turn signal, replaced the T-case actuator motor and cleaned er up! My question is, what year of the 5r55e will interchange with my kids 2003 auto trans ? Is it only the 01-03 4.0L’s with the 5r55e ,or can I interchange with a later yr ranger say an 2008 4.0L with the 5r55e?
I can’t find much on the web but someone was saying only 01-03 you can swap out trans and the later yrs you would have to modify the electrical connectors. Not sure on this topic?!?!?!
 

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Good place to figure this out is www.car-part.com. Good place to look for a used transmission also. It will list the exact drop in years, just make sure you search "all areas" to get a good interchange.

I do not know all the ins and outs of the different models, but I see right away using that site, that the rangers that year with a 4.0 could have had a 5R44E or a 5R55E. I am going to assume you are sure you have a 5R55E. When I looked up a 2003 4x4 with a 4.0 and a 5R55E, 2001 thru 2005 transmissions popped up. Compared to other types and years, that is a pretty wide range.
 

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