replacement for 134A and R12 systems, fulfilling repair and replacement needs Tight Sealing: Each valve core adopts high-precision thread machining and sealing structure to good sealing performance and avoid refrigerant leakage, ensuring optimal performance of your air conditioning system Quality Brass Material: A/C valve is made of quality M10 brass with high strength, excellent abrasion resistance and compression resistance, and not easy to be deformed even under high temperature and pressure, which provides a long-lasting durability solution Improved Performance: by replacing worn or damaged valve core, precise control of refrigerant flow is realized, maintaining system pressure balance, prolonging system service life and improving cooling efficiency Easy to Install: Standard M10 interface for easy operation and maintenance. With its seamless compatibility and precise design, the valve core kit is quick to disassemble and easy to operate, making routine maintenance and repairs more efficient for : 4L3Z19D701A for : 10245619 for : 4882331 Part Number: BAS03009 MT0065 59356 name:Air conditioning valve core Material: Brass Color: Golden fit: for , for , for Package Contents: 25 x Air conditioning valve core Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.