Filter Filters New Buick Remove All Filters Price Under $50 (41) $50-$100 (40) $100-$500 (8) Brand Harmony Audio (89) Model Regal (12) Le Sabre (11) Park Avenue (10) Riviera (7) Century (7) Rainier (6) Skylark (5) Lucerne (5) Roadmaster (5) Show More Reatta (4) Electra (3) Rendezvous (3) Skyhawk (2) Allure (2) Enclave (2) LaCrosse (2) Terraza (2) Rendevous (1) Fits Buick Regal 1984-1987 Factory Premium Speaker Replacement Harmony... $181.99 Fits Buick Rendevous 2002-2007 Factory Premium Speaker Replacement Harmony... $215.99 Fits Buick Rainier 2004-2007 Factory Premium Speaker Upgrade Harmony C65 C35... $165.99 Fits Buick Century 1982-1996 Factory Premium Speaker Upgrade Harmony C46 C69... $125.99 Fits Buick Lucerne 2006-2011 Factory Premium Speaker Upgrade Harmony C65 C69... $135.99 Fits Buick Reatta 1988-1989 Factory Premium Speaker Upgrade Harmony C4 C69... $120.99 Fits Buick Park Avenue 1988-1994 Factory Premium Speaker Replacement Harmony... $125.99 Fits Buick Reatta 1990-1991 Factory Premium Speaker Replacement Harmony C4... $104.99 Fits Buick Le Sabre 2000-2005 Front Door Replacement Harmony HA-R5 Speakers New $39.95 Fits Buick Reatta 1988-1989 Rear Dash Replacement Speaker Harmony HA-R4 Speakers $32.95 Fits Buick Lucerne 2006-2011 Rear Deck Replacement Harmony HA-C69 Premium... $78.99 Fits Buick Regal 1995-2004 Rear Dash Replacement Speaker Harmony HA-C4... $49.99 Fits Buick Skylark 1987-1998 Rear Deck Replacement Harmony HA-R69 Speakers New $63.99 Fits Buick Riviera 1996-1999 Front Door Replacement Harmony HA-C65 Premium... $62.99 Fits Buick Lucerne 2006-2011 Front Door Replacement Harmony HA-C65 Premium... $62.99 Fits Buick Regal 1984-1987 Rear Dash Replacement Speaker Harmony HA-C35... $49.99 Fits Buick Rainier 2004-2007 Front Door Replacement Harmony HA-R65 Speakers New $49.99 Fits Buick Riviera 1983-1985 Front Door Replacement Harmony HA-C46 Premium... $54.99 Fits Buick Regal 1995-2004 Rear Deck Replacement Speaker Harmony HA-C69... $78.99 Fits Buick Le Sabre 2000-2005 Rear Deck Replacement Harmony HA-C69 Premium... $79.95 Fits Buick Rainier 2004-2007 Front Door Replacement Harmony HA-C65 Premium... $62.99 Fits Buick Century 1982-1996 Rear Dash Replacement Harmony HA-C69 Premium... $78.99 Fits Buick Rainier 2004-2007 Rear Dash Replacement Harmony HA-R35 Speakers New $37.99 Fits Buick Century 1982-1996 Front Dash Replacement Harmony HA-C46 Premium... $54.99 1234