12 Pack Valve Core Kit For R134A Car Air Conditioning System Replacement Schrader Stem Cores Leakproof High Pressure Premium Rubber Copper Construction For Easy Service And Recharge

12-Pack R134A Valve Core Kit for leak-proof AC service
✔️ 12-pack with 6 green and 6 black cores, rubber/copper, R134A ready

These valve cores are replacement components for R134A automotive air conditioning systems. They seal refrigerant lines to prevent leaks and enable quick service or recharge. This 12-pack includes 6 green and 6 black cores for compatibility with standard threads and easy installation.

✅ 12 pieces total: 6 green and 6 black valve cores
✅ Made from high-quality rubber and copper for reliable sealing
✅ Compatible with R134A refrigerant, with heat resistance and high pressure
✅ Size: 5.6x19.7 mm (0.22x0.78 in)
✅ Standard thread size for easy installation and quick replacement

💡 What is a valve core and why does it matter in automotive A/C systems?

This handy guide provides quick, practical answers. - common uses of valve cores in car A/C systems - selecting the right R134A valve core size - quick replacement steps to fix leaks or top off refrigerant - tips for maintaining seal and recharge safety