2008-2009 Buick LaCrosse 5.3L V8 VIN: C Naturally Aspirated. 2005-2009 Buick LaCrosse 3.8L V6 VIN: 2 Naturally Aspirated. Notes: Mass Air Flow Sensor Assembly. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
