Notes A/C Evaporator Inlet and Outlet Tube Assembly -- New; LOW GLOBAL WARMING POTENTIAL/GWP REFRIGERANT (KRV); Except REAR AUXILLIARY A/C (C69). 2020-2024 Chevrolet Blazer 2.0L 4 Cyl LSY VIN: 4. Manufactured to GM OE specification for fit, form, and function.