Product Details: Equip your semi to be Ready for the Road Ahead™ with fast and safe access to AC refrigeration, with the Mastercool 14mm x 16 mm R-134A High-Side Manual Quick Coupler. This replacement coupler allows for easy maintenance of refrigerant and fluid levels in an air conditioning system, removing the possibility of finger burns when removing or disconnecting components. Crafted with a durable metal body for long-term reliability. The air conditioning and heating system in heavy duty trucks has a major impact on drivers’ safety and comfort level. Whether you are looking for A/C compressors, condensers, driers, freon, or blower motors, FleetPride has the part you need to make sure your air conditioning and heating are well maintained. Keep your heavy duty fleet operations working as productively and efficiently as possible by finding the right air conditioning and heating part for you. FleetPride is your First Click in Heavy Duty®.