A/C Accumulator. Accumulator/ Filter. 1994 Buick Regal Engine: 3.8L V6; Switch 1711371; Pigtail 1711450;. 1995 Buick Regal Engine: 3.8L V6; Switch 1711371; Pigtail 1711450;. IMPORTANT: To confirm that this part fits your vehicle, enter your vehicles Year, Make, Model, Trim and Engine in the Compatibility Table.
