10 PCS Car AC Valve Caps, High Low Pressure Port Sealed Leak-Proof Protective Cap, H & L Labeled Waterproof Nut Valve Core Cover, Air Conditioner Accessories for Cars Trucks SUVs (Blue)

1.Designed with built-in sealing rings, the AC valve caps fit tightly over high and low pressure charging ports to maintain stable system pressure, ensuring consistent air conditioning performance.2.Made of heat-resistant and anti-aging materials, the valve caps withstand high engine bay temperatures without brittling or warping. They cover valve core connections to block debris3.Featuring clear H and L markings, the valve caps enable quick identification of high and low pressure ports during maintenance or refilling. The universal fit design supports direct replacement of original caps on most vehicle models, with simple hand-tightening installation.

• Sealing Ring Design: Car AC valve caps feature a design with a sealing ring that fits tightly over the high and low pressure charging ports of the air conditioning system.
• Durable Material: They withstand the high temperatures of the engine compartment without becoming brittle or warped over time, ensuring long-lasting and stable performance.
• Protection: Car AC valve caps cover the air conditioning valve core connections, blocking debris from entering the lines, protecting the valve core from damage, and extending the service life of the air conditioning system.
• High Low Pressure Markings: The surface of the car AC valve caps features clear H High Pressure and L Low Pressure markings, allowing for quick identification of the correct port during maintenance or refilling.
• Universal Fit: These caps are universal for the vast majority of vehicle models. Their connection size allows for direct replacement of the original valve caps. Installation is simple—just screw them on by hand.