Must Have AC Service Port Caps 10 Pack For R134a Auto Air Conditioning System Maintenance With 13mm Blue Low Pressure And 16mm Red High Pressure ABS Plastic Seals For Clean Sealed Service Ports During Repairs

R134a AC Valve Core Caps, 10 Pack for Service Ports
✔️ 5 blue 13mm low-pressure + 5 red 16mm high-pressure caps with seals

These valve cap seals keep R134a service ports clean and protected during maintenance or daily use. They’re handy on auto A/C systems across many makes and models.

✅ Made from durable ABS plastic that resists cracking and holds up under heat and vibration
✅ Built-in rubber ring creates a tight seal to stop dust, water, and leaks
✅ Easy push-on install with no threads needed and L/H markings for quick ID
✅ Includes 10 caps: 5 blue 13mm low-pressure and 5 red 16mm high-pressure caps for direct replacement

💡 What is a car service port cap used for and why protect it?

A handy explanation follows. - Protects ports from dirt, moisture, and corrosion - Reduces risk of refrigerant leaks during service - Color-coded blue (13mm) and red (16mm) caps help quick ID on low/high pressure ports - Fits most vehicles and replaces lost or damaged originals