ContiTech 63497 Molded By-Pass and Heater Hose

The ContiTech 63497 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 coolant system. This hose features original equipment configurations to ensure proper fit, making it an ideal replacement for worn or damaged OEM hoses.

Key Features:

• EPDM tube and cover with synthetic knit reinforcement for durability and flexibility
• 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)
• Wide temperature range: -40°F to 275°F (-40°C to 135°C)

This molded heater hose is manufactured to meet or exceed original equipment specifications, providing reliable performance in demanding underhood environments. Not for use in fuel or oil transfer applications.