In New Zealand, mine is '12 and viscosity is 5W-30 in the owner's manual.
I think that was later changed in '14 to 5W-20 (just like in 3.2l KL).
I would say 3.6l in JL would be the same as late JKs.
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'12 JK Rubicon V6 3.6L
'15 KL Trailhawk V6 3.2L
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