Chev GMC 1994 - 2002 Four Seasons Air Conditioning Expansion Valve # 38907Chev GMC 1994 2002 Four Seasons Air Conditioning Expansion Valve # 38907 Expansion Valve Material: Brass Expansion Valve Color: Natural Quantity: Sold individually. Four Seasons Air Conditioning Expansion Valves Four Seasons air conditioning expansion valves will help you maintain your air conditioning system's cooling characteristics. They are available in a variety of styles and configurations to fit your specific vehicle needs. The valves are made