2 Pack Car AC Valve Caps With Leakproof O Ring Seal For R134a Charging Ports, Dustproof High And Low Pressure Valve Covers For Automotive Air Conditioning System, Keeps Refrigerant Leaks Down And Your Cool On

Effective 2 Pack R134a Valve Caps Protect AC Ports
✔️ Comes with high 0.39 inch and low 0.34 inch caps featuring O ring seals

These 2 pack AC valve caps are handy covers for R134a charging ports on cars SUVs and trucks to stop leaks and block dust from getting inside the system.

✅ Plastic build stays strong in heat and UV light
✅ Engraved H and L marks make port ID quick and easy
✅ Smooth edges prevent cuts during install or removal
✅ O ring creates tight seal to hold system pressure steady

💡 How can you maintain proper pressure in your car AC system? These caps fit right over the service ports to block leaks and debris from messing with refrigerant flow. - The O ring inside each cap presses tight against the valve to trap pressure and keep cooling performance on track. - Blue color and clear H L markings help you grab the right size fast without guessing during service. - Plastic material shrugs off road grime weather changes and repeated installs without cracking or warping.