ContiTech 63735 Molded Heater Hose

The ContiTech 63735 is a precision-engineered molded 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 coolant system. This Elite-series hose is specifically molded to match original equipment configurations for a proper, direct-fit installation.

Key Features:

• EPDM (ethylene propylene diene monomer) tube and cover construction for superior heat and chemical resistance
• Synthetic knit reinforcement provides strength and durability
• Compatible with ethylene glycol and propylene glycol-based coolants, as well as organic acid modified, long-life coolants
• Meets or exceeds SAE 20R3EC Class D1 and Class D2 specifications
• Resistant to Electrochemical Degradation (ECD)
• Temperature range: -40°F to 275°F (-40°C to 135°C)
• Designed to withstand high underhood temperatures and harsh coolant environments

Continental ContiTech heater hoses are built to OEM standards, ensuring reliable performance and long service life. This molded hose maintains full coolant flow while resisting heat, ozone, and chemical degradation. Not for use in fuel or oil transfer applications.