10PCS AC Low Pressure Port Cap, 13mm 16mm R134a Air Conditioning Charging Port Covers, A/C System Valve Core Sealing Caps Universal for Most Cars

Protect your vehicle's air conditioning system with this 10-piece R134a port cap set. Includes 5 blue low pressure caps (13mm) and 5 red high pressure caps (16mm) for clear identification. These caps create a tight seal to help prevent refrigerant leaks while keeping dirt and moisture out of the A/C service ports. Made from heat-resistant plastic for lasting under-hood durability.

• Complete 10-Piece Set: Includes 5 low pressure caps in blue and 5 high pressure caps in red. This comprehensive set provides enough replacements for multiple vehicles or future air conditioning maintenance needs.
• R134a System Compatibility: These ac caps are specifically designed for R134a air conditioning systems. The 13mm caps fit low pressure ports while the 16mm caps fit high pressure ports, ensuring proper sealing across your entire A/C system.
• Color-Coded for Easy Identification: Blue caps indicate the low pressure side and red caps indicate the high pressure side. This thoughtful color coding eliminates confusion during installation and makes system identification quick and simple.
• Reliable Seal & System Protection: These ac low pressure port caps create a tight seal over valve cores to help prevent refrigerant leaks. They also keep dust, dirt, and moisture out of the charging ports, preserving system integrity and efficiency.
• Durable Heat-Resistant Build: Constructed from high-quality engineering plastic that withstands under-hood temperatures. These caps resist cracking, warping, and degradation over time, ensuring long-lasting performance in demanding engine bay conditions.