Genuine OEM Volkswagen Quick Release Coolant Hose, part number 4M0122101DQ. This hose is an integral part of the engine cooling system, responsible for circulating coolant to maintain optimal engine temperature. It features quick-release connectors for easier installation and removal during service. Positioned within the engine bay, connecting to the radiator and other cooling components, this hose weighs 0.673 kg and measures 0.64 m in length. Opting for a genuine OEM hose ensures precise fitment, correct material composition for coolant resistance, and reliable quick-release functionality, preventing leaks and maintaining system integrity.