Filter Filters Coupe DeVille Remove All Filters Price Under $50 (2) Condition New (2) Brand Harmony Audio (1) Metra (1) Make Cadillac (2) Radio Size Single DIN (1) Kit Material Plastic (1) Cadillac Coupe DeVille 1988-1993 Factory Radio OEM Original Stereo Wire Harness $7.95 Cadillac Coupe DeVille 1985 1986 1987 Single DIN Stereo Harness Radio Dash Kit $25.45