This A/C orifice tube from Four Seasons is a crucial component for your Cadillac, Chevrolet, GMC, or Pontiac's air conditioning system. It is designed to regulate the flow of refrigerant and ensure efficient cooling performance. The manufacturer part number is 38638 and it is made in an unknown country/region. Please note that this product contains a chemical which is known to the State of California to cause birth defects or other reproductive harm, as indicated by the California Prop 65 Warning. This A/C orifice tube is compatible with various car and truck models and is categorized under A/C Expansion Valves, Air Conditioning & Heating, Car & Truck Parts & Accessories, and Parts & Accessories on eBay Motors.