ContiTech 64421 Universal 90 Degree Molded Heater Hose

The ContiTech 64421 is a premium universal 90-degree molded heater hose engineered for custom-routed cooling system applications. This high-quality HVAC heater hose is designed to transfer glycol-based coolants to and from the heater core, bypass to the radiator, and through other critical components in your vehicle's cooling system.

Key Features:

• EPDM (ethylene propylene diene monomer) tube and cover construction for superior durability
• Synthetic knit reinforcement provides exceptional strength and flexibility
• Compatible with ethylene glycol and propylene glycol-based coolants, including organic acid modified long-life coolants
• Resistant to Electrochemical Degradation (ECD) for extended service life
• Temperature range: -40°F to 275°F (-40°C to 135°C)
• Meets or exceeds SAE 20R3EC Class D1 and D2 specifications
• Universal 90-degree elbow configuration for applications where exact-fit molded hoses are unavailable

Ideal for applications requiring excellent resistance to antifreeze coolants and extreme underhood temperatures, this molded heater hose delivers reliable performance in demanding automotive environments. The rugged construction ensures proper coolant flow while withstanding heat, oil, and weathering for long-lasting service.