I am making this post from my personal experience in replacing the HU in my 2004 Sport. I ordered the Alpine cda 7995 from Crutchfield and they gave me the American International install kit. I used the kit at first but was not happy with the quality or the looks. The pocket was warped and did not make a clean install. Just today I replaced that kit with the kit from Metra. The no. is 99-8206. I called and got that no. directly from Metra. It says on the kit that it is for a 2001 Highlander and Tundra but it will fit the 4Runner. It will fit the SR5 and the Sport models but not the Limited. Just thought everyone would like to know.