Filter Filters Buick LaCrosse Remove All Filters Price Under $50 (1) $50-$100 (1) Condition New (2) Brand Harmony Audio (2) Fits Buick LaCrosse 2005-2009 Rear Deck Replacement Harmony HA-R69 Speakers New $63.99 Fits Buick LaCrosse 2005-2009 Front Door Replacement Harmony HA-R65 Speakers New $49.99