This Pocket is installed in the space UNDER your aftermarket radio when you replace the factory double-din radio with an aftermarket single-din radio. This is the same one the comes with 98-02 passats from the factory (02-04 Passats come with the big radio and only need this is you are replacing the factory radio). Compatible with: Golf 1999-2004, Jetta 1999-2004 Passat 1998-2004