Dayco HVAC Heater Hose

Dayco HVAC heater hose carries engine coolant between the engine and the heater core. This keeps cabin heating and defrosting working reliably. Also known as a heater hose, coolant hose, or molded heater hose, it is a common replacement part for restoring proper heater performance and preventing coolant leaks.

Key Features:

• Made to handle the heat, pressure, and coolant exposure found in engine cooling and heating systems
• Reinforced, flexible construction resists kinking, collapsing, and cracking
• Rubber compounds designed to resist coolant, heat, ozone, and weathering for long service life
• Available in molded and straight formats to suit different applications
• Dayco is a long-established supplier of belts, hoses, and engine components to the automotive aftermarket

Replace worn, swollen, or leaking heater hoses with Dayco to help protect the engine from coolant loss and overheating. Replacing the hose clamps at the same time is good practice. Select the specific part number from the options on this page.