ContiTech 63996 Molded Heater Hose

The ContiTech 63996 is a precision-molded heater hose designed to transfer glycol-based coolants to and from the heater core, by-pass to the radiator, and through other components in your vehicle's cooling system. This pre-formed hose features 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 excellent strength and durability
• Compatible with ethylene glycol and propylene glycol-based coolants, including organic acid modified long-life coolants
• Meets or exceeds SAE 20R3EC Class D1 and Class D2 specifications
• Resistant to Electrochemical Degradation (ECD) for extended service life
• Temperature range: -40°F to 275°F (-40°C to 135°C)
• Resists heat, ozone, and underhood environmental conditions

This molded heater hose is engineered to meet or exceed original equipment specifications, providing reliable coolant flow and long-lasting performance. Not for use in fuel or oil transfer applications.