1994 Buick Regal Submodel: Coupe; Engine: 3.1L V6; Radiator Fan Motor; Position: Right;. 1994 Buick Regal Submodel: Coupe; Engine: 3.8L V6; Radiator Fan Motor; Position: Left;. 1994 Buick Regal Submodel: Sedan; Engine: 3.1L V6; Radiator Fan Motor; Position: Right;.