ContiTech 63529 Molded Bypass Heater Hose

The ContiTech 63529 is a precision-molded bypass and heater hose designed to transfer glycol-based coolants to and from the heater core, bypass to the radiator, and through other components in your vehicle's cooling system. Engineered with original equipment configurations to ensure proper fit and reliable performance.

Key Features:

• EPDM (ethylene propylene diene monomer) tube and cover construction for superior heat and chemical resistance
• Synthetic knit reinforcement provides strength and durability
• Meets or exceeds SAE 20R3EC Class D1 and Class D2 specifications
• Resistant to Electrochemical Degradation (ECR) for extended service life
• Compatible with ethylene glycol and propylene glycol-based coolants
• Temperature range: -40°F to 275°F (-40°C to 135°C)
• Pre-molded configuration ensures OE-quality fit

ContiTech molded radiator and heater hoses are manufactured to meet strict automotive industry standards, providing reliable cooling system performance. Not for use in fuel or oil transfer applications.