1989-1991 Buick LeSabre 3.8L V6 Auxiliary Air Valve. 1988 Buick LeSabre 3.8L V6 VIN: C Auxiliary Air Valve. 1989 Buick LeSabre Front Right. 1988 Buick LeSabre 3.8L V6 VIN: C. 1990-1991 Buick LeSabre. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
