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2007 Ua Jeep Wranger Jk Engine

One of the major hurdles was getting the Cummins 24-valve common-rail diesel engine to run properly. Since it arrived with an automatic transmission behind it, we needed to purchase a new computer that was then programmed with the manual transmission parameters. If you don't have the skills or funds to take on a project like this, but you still want to swap in a big diesel, we might suggest looking at early 12-valve Cummins diesels that can be run with as few as three wires.
 Engine