Compatibility & Replacement: HVAC heater hose assembly fit for Ford F-150 3.7L 2011-2014, replace 51440 626-620 BL3Z-18472-E CL34-18K580-AA KH571, designed for replacing worn or damaged coolant hoses
Efficient Coolant Flow Support: Connects the engine and heater core to help maintain consistent coolant circulation, supporting stable cabin heating performance and proper engine temperature balance
Leak-Resistant Integrated Design: One-piece molded construction with secure connection points helps reduce the risk of coolant seepage and pressure loss during operation
Heat-Resistant Durable Materials: Made of reinforced rubber and composite materials, it can withstand high temperatures and aging, ensuring long-term reliability
Direct Replacement & Easy Installation: Designed to match hose routing and connections, allowing straightforward installation