Manufacturer Part Number: EX10594C. 2019-2020 Cadillac CT6 L with Dual Zone; with Ionizing. 2018 Cadillac CT6 Luxury 2.0L L4 GAS with Front - Quad Zone; with Rear - with Air Ionizing. 2018 Cadillac CT6 Luxury 3.6L V6 GAS with Front - Quad Zone; with Rear - with Air Ionizing.
