Tested. BUYER TO VERIFY COMPATIBILITY.

This product is a genuine OEM throttle body assembly designed for Buick vehicles with 3.8L engines, specifically the 2005-2009 Buick LaCrosse, Lucerne, and Grand Prix models. It includes the throttle valve and comes with a manufacturer warranty of 1 month. The part numbers included are 12607894, 12582615, 12576729, and 12590132, with interchange part numbers that are compatible with these models. Made in the United States, this throttle body assembly is a high-quality replacement part for your Buick vehicle.