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Is it possible to switch a 2006 Jeep Commander 4.7 V8 engine to a 3.7 V6 engine and if so how difficult is the switch?
 

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Is it possible to switch a 2006 Jeep Commander 4.7 V8 engine to a 3.7 V6 engine and if so how difficult is the switch?
Welcome to the forum @K.B.;

Any swap can be done if you are willing to spend the money.

Going from a 3.7L to a 4.7L wouldn't be easy - or cheap.

In addition to the engine, you would also have to swap the transmission from the NAG-1 that you have currently, to the 5-Spd Automatic 545RFE Transmission, not to mention you also have to swap the PCM (Powertrain Control Module).

And this is just for starters. I'd say you are looking at 7K & possibly more, just in parts.
 
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