ContiTech 63712 Molded Heater Hose

The ContiTech 63712 is a molded heater hose engineered 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. Original configurations available to ensure proper fit.

Key Features:

• EPDM tube and cover with synthetic knit reinforcement
• Compatible with most coolants including 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 (ECR)
• Temperature range: -40F to 275F (-40C to 135C)
• ID Range: 1/4-inches to 1-3/8-inches and includes intersect hose configurations

This molded heater hose is precision-engineered to match OEM specifications and deliver reliable performance in demanding underhood conditions. Not for use in fuel or oil transfer applications.