Part number is on a sticker on the face of the PCM. Yours should have one.

 

But the part number is for the wrong pcm

 

You can find parts manuals in the FAQ/DIY section here. Should be able to find the part number there....... Or, another possibility would be to simply have your PCM flashed with the correct software...... Dealer should be able to do that for you. Of course, that will be the 'death flash'...... which dials back ignition timing, to reduce spark knock..... Or, you could buy a tuner from Hemifever, or Flyin' Ryan, and flash it yourself.