Part Type: Engine Coolant Reservoir Cap. Application Notes: Engine: 3.1LL V6;. 1992 Buick Regal Engine: 3.1LL V6;. 1993 Buick Regal Engine: 3.1LL V6;. Manufacturer: Dorman. To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in theCompatibility Table.
