1987 Chevrolet Beretta. 1988 Chevrolet Beretta. 1991 Chevrolet Beretta. 1989 Chevrolet Beretta. 1990 Chevrolet Beretta. Part Type: HVAC Pressure Switch. Compatible Years: 1987 1988 1989 1990 1991. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.