Radiator Water Pipe Connection For M274 E20 Coolant Water Heater Water Control Pipe Connection 2742002451 made of environment friendly heat resistant materials with strong wear resistance to effectively increase the service life Easy installation without complex commissioning processes and special tools. Optimized fluid control structure ensures uniform and stable water flow, preventing localized overheating or underheating and effectively balancing the overall engine operating temperature. Regulating coolant flow direction and volume improves in-vehicle heating efficiency, shortens cold start time, and enhances driving comfort in winter., Manufacturer: ZDGsdgSY