Lexus: Lexus Key FOB

I am looking for a key fob for a Lexus GS400. I have the internal parts and
the metal key. I just need the plastic housing that goes around the guts of
the key.

Does anyone know how I can get one without spending the $220 at Lexus?


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RC wrote: 

http://search.ebay.com/lexus-key-gs400_W0QQsokeywordredirectZ1QQfromZR8