ContiTech 64689 HVAC Heater Hose

The ContiTech 64689 is designed to transfer glycol-based coolants to and from the heater core, by-pass to the radiator, as well as through other components in the vehicle's cooling system. This molded heater hose is precision-engineered to OE specifications for a reliable, long-lasting fit.

Key Features:

• Constructed from high-quality EPDM (ethylene propylene diene monomer) rubber for superior resistance to heat, ozone, and chemical coolants
• Meets or exceeds SAE 20R3EC Class D1 and Class D2 specifications
• Resistant to Electrochemical Degradation (ECR) for enhanced durability in modern vehicles
• Pre-shaped molded design ensures proper fit and maintains full coolant flow through bends
• Compatible with ethylene glycol and propylene glycol-based coolants

This heater hose is manufactured by ContiTech, a division of Continental AG with over 140 years of industry experience in producing premium automotive components. Cross-references include Ford 64689, Ford FL3Z18472B, and Motorcraft KH808.