http://www.bestbuy.com/site/olspage.jsp ... ku=8273959

going in an audi a4 bose 2003

Yep. The D1 D2 D3 Z1 and Z2 are all double DIN sized units. If it says it will work for one of them, it will work for all of them.

thanks

D1/2s came with a cage. You don't need that

It came with this:

http://parts.pioneerelectronics.com/par ... um=CND2794