Filter Filters $50-$100 Buick Remove All Filters Condition New (16) Used (2) Brand Harmony Audio (16) OEM Parts (2) Model Century (2) Le Sabre (2) Park Avenue (2) Reatta (2) Roadmaster (2) Skylark (2) Allure (1) Enclave (1) LaCrosse (1) Show More Riviera (1) Skyhawk (1) Terraza (1) Compatible with 2005-2007 Buick LaCrosse Factory AM/FM Radio 6 Disc CD Player $99.99 Compatible with 2005-2007 Buick Allure Factory AM/FM Radio 6 Disc CD Player $79.99 Buick Roadmaster 1991-1994 OEM Speaker Upgrade Harmony R5 R69 Package New $98.99 Buick Roadmaster 1995-1996 OEM Speaker Upgrade Harmony R5 R69 Package New $98.99 Buick Century 1997-2005 Factory Speaker Upgrade Harmony R5 R69 Package New $98.99 (1) Buick Skyhawk 1982-1989 Factory Speaker Upgrade Harmony R35 R69 Package New $89.99 Buick Park Avenue 1988-1994 Factory Speaker Replacement Harmony R46 R69 New $94.99 Buick Century 1982-1996 Factory Speaker Upgrade Harmony R46 R69 Package New $94.99 Buick Terraza 2005-2008 Factory Speaker Replacement Harmony (2) R65 Package New $88.99 Buick Riviera 1986-1995 Factory Speaker Upgrade Harmony R46 R69 Package New $94.99 Buick Le Sabre 1984-1987 Factory Speaker Upgrade Harmony R46 R69 Package New $94.99 Buick Enclave 2008-2017 Factory Speaker Replacement Harmony (2) R65 Package New $88.99 Buick Skylark 1987-1995 Factory Speaker Upgrade Harmony R5 R69 Package New $98.99 Buick Le Sabre 2000-2005 Factory Speaker Upgrade Harmony R5 R69 Package New $98.99 Buick Skylark 1996-1998 Factory Speaker Upgrade Harmony R46 R69 Package New $94.99 Buick Park Avenue 1995-1996 Factory Speaker Replacement Harmony R5 R69 New $98.99 Buick Reatta 1990-1991 Factory Speaker Replacement Harmony R4 R65 Package New $77.99 Buick Reatta 1988-1989 Factory Speaker Upgrade Harmony R4 R69 Package New $92.99