Filter Filters Buick Remove All Filters Price Under $50 (64) $100-$500 (3) Condition New (67) Brand Harmony Audio (40) Metra (27) Model Regal (8) Riviera (6) Skylark (6) Le Sabre (6) Century (6) Roadmaster (5) Electra (4) Skyhawk (3) Park Avenue (3) Show More Reatta (2) Allure (1) Rainier (1) Rendevous (1) Lucerne (1) LaCrosse (1) Enclave (1) Terraza (1) Radio Size Single DIN (9) Single DIN,Double DIN,ISO Mount (7) Single DIN,ISO Mount (6) Kit Material Plastic (22) Buick Allure 2005-2009 Factory Stereo to Aftermarket Radio Antenna Adapter Plug $5.95 Buick Roadmaster 1991-1996 Factory Stereo to Aftermarket Radio Antenna Adapter $5.95 Buick Riviera 1986-1999 Factory Stereo to Aftermarket Radio Antenna Adapter Plug $5.95 Buick Le Sabre 1995-1999 Factory Stereo to Aftermarket Radio Harness Adapter $5.95 Buick Park Avenue 1988-2005 Factory Stereo to Aftermarket Radio Antenna Adapter $5.95 Buick Terraza 2005-2008 Factory Stereo to Aftermarket Radio Antenna Adapter Plug $5.95 Buick Century 1988-1996 Factory Radio OEM Original Stereo Wire Harness Plug $7.95 Buick LaCrosse 2005-2009 Factory Stereo to Aftermarket Radio Antenna Adapter $5.95 Buick Electra 1988-1990 Factory Radio OEM Original Stereo Wire Harness Plug $7.95 Buick Le Sabre 1988-1999 Factory Stereo to Aftermarket Radio Antenna Adapter $5.95 Buick Skyhawk 1988-1989 Factory Radio OEM Original Stereo Wire Harness Plug $7.95 Buick Roadmaster 1991-1994 Factory Radio OEM Original Stereo Wire Harness Plug $7.95 Buick Riviera 1986-1995 Factory Radio OEM Original Stereo Wire Harness Plug $7.95 Buick Reatta 1988-1991 Factory Stereo to Aftermarket Radio Antenna Adapter Plug $5.95 Buick Rainier 2004-2007 Factory Stereo to Aftermarket Radio Antenna Adapter Plug $5.95 Buick Le Sabre 1988-1994 Factory Radio OEM Original Stereo Wire Harness Plug $7.95 Buick Skylark 1987-1995 Factory Radio OEM Original Stereo Wire Harness Plug $7.95 Buick Park Avenue 1988-1994 Factory Radio OEM Original Stereo Wire Harness Plug $7.95 Metra 99-2023B Single/Double DIN Kit for 2011-UP Buick Regal Vehicles (Black) $317.45 123