I forget who was nice enough to create this webite link, but he posted it for me when I had a similar situation (only I just needed a replacement). I suggest you get your part numbers here and order from places like www.nissan.cc and get a discount wink :

http://www.xterra-trail.net/xterra-trail/partslist/581.pdf
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Hoosier by birth, Red Raider by choice... like KNIGHT and day.