Shop thermal expansion valve & AC expansion valve. Browse thermostatic expansion valve. View AC expansion valve price. Explore HVAC components. Maintaining your car's AC valves is vital for ensuring a comfortable drive, especially during those sweltering summer months. Regular checks can prevent leaks and ensure proper refrigerant flow, but if you notice your AC struggling to maintain temperature or hear hissing sounds, it may be time for a replacement. When choosing a new AC valve, consider the various types?expansion valves and orifice tubes are the most common. Opt for high-quality materials like corrosion-resistant brass or aluminum for durability. Installation is straightforward for those with mechanical know-how, but professional fitting is recommended to guarantee peak performance and preserve system integrity. Keep your car's climate control in top shape by selecting the right AC valve from our comprehensive online selection, ensuring your ride remains cool and comfortable.