You should be able to get credit for that since it is the wrong part. I just checked the manual and the GMOS-LAN-04 will work in your case.
Here are 2 places to get it from that I found quickly.
http://www.autotoys.com/x/cust/produ...productid=9970
http://www.amazon.com/Metra-GMOSLAN0.../dp/B000K4YOKI
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