Compatible Models: Fit for 2011 2012 2013 2014, fit for Mark 2011 2012 2013 2014. Replace 626-721 BL3Z-18472-B Optimization Performance: Helps improve the efficiency of coolant circulation, ensuring rapid and even engine heating, thereby enhancing the heating effect of the car's interior heating system Good Sealing: The interface is perfectly matched with the vehicle, achieving efficient sealing and effectively avoiding coolant leakage and Reliable: The hvac heater hose is made of high-quality materials that are to high temperatures and . This product can be used in extreme temperature environments to stable operation of the heating system. Its material also has good flexibility, making it easy to install Easy to Install: Replace directly without modification, simple and convenient, saving time. Plug and play, seamlessly integrated with the vehicle's HVAC system, reducing unnecessary trouble Color: Black Material: Rubber Package Contents: 1x HVAC Heater Hose Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.