4pcs Car Air Conditioning Valve Cores Refrigerant Refill Valve Core Insert 3C0 820 795 8E0 820 855 KTT500012 Compatible with

Compatible with, suitable for the vehicle, providing reliable maintenance effect. The OEM number is 3C0 820 231, 3C0 820 795, 8E0 820 855, KTT500012, please check the OE carefully. Adopting rubber and metal materials, it has excellent sealing performance, which can effectively prevent refrigerant leakage in the air conditioning system and ensure the efficient operation of the air conditioning system. Adopting high-strength rubber and metal materials, it has excellent sealing performance, which can effectively prevent refrigerant leakage in the air conditioning system and ensure the efficient operation of the air conditioning system. The maintenance valve is simple in design and easy to install. It is suitable for car owners or technicians who want to replace it themselves, saving time and maintenance costs.