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Yes all N14 JCWs should be the same turbo, which is through 2012. The N18 JCW turbo (2013) is a different part number. That being said, they will all bolt on and play nicely.
We have both N14 and N18 turbos on hand, locally rebuilt with an 18 month warranty and cost far less than an OE unit, as well as in stock and ready to ship.
For what it's worth, the main difference is the N18 turbo has allocations for the coolant feed line to the turbo to bolt on, and a difference of 2mm compressor wheel size.