Genuine OEM Audi Refrigerant Line, part number 4M0816721BC. This critical component is responsible for transporting high-pressure refrigerant throughout the vehicle's air conditioning system, enabling the cooling and dehumidification of cabin air. It connects various AC components, such as the compressor, condenser, and evaporator. Constructed from durable materials designed to withstand extreme temperatures and pressures, this line ensures a leak-free and efficient AC system. Choosing a genuine OEM refrigerant line guarantees precise fitment, correct hose and pipe routing, and optimal sealing, which are crucial for maintaining AC system performance and preventing costly refrigerant leaks.

Catalogue entry: LINE.

Fitted with: 4M0298403 INSERT, 4M0816721BB LINE, 4M0816721BE LINE, 4M0816721AR LINE, 4M0816721AQ LINE, 4M0816721BA LINE, 4M0816721AS LINE, 4M0816721BN LINE, 4M0816721DH LINE, 4M0816721DF LINE, 4M0816721G LINE, 4M0816721DB WATER PIPE.