Filter Filters Under $50 Brougham Remove All Filters Condition New (2) Brand Harmony Audio (1) Metra (1) Make Cadillac (2) Radio Size Single DIN (1) Kit Material Plastic (1) Cadillac Brougham 1987 1988 1989 Single DIN Stereo Harness Radio Install Dash... $26.45 Cadillac Brougham 1987-1992 Factory Stereo to Aftermarket Radio Antenna Adapter $5.95