ContiTech 63090 Molded By-Pass and Heater Hose

The ContiTech 63090 is a molded by-pass and heater hose engineered to transfer glycol-based coolants to and from the heater core, by-pass to the radiator, and through other components in the vehicle's coolant system. Pre-shaped in original equipment configurations, this hose delivers a precise, leak-free fit without modification.

Key Features:

• EPDM tube and cover with synthetic knit reinforcement for long-lasting durability
• Meets or exceeds SAE 20R3EC Class D1 and Class D2 specifications as well as many OE specifications
• Resistant to Electrochemical Degradation (ECR) to prevent internal breakdown from coolant chemistry
• Compatible with most coolants including ethylene glycol-based, propylene glycol-based, organic acid modified, and long-life coolants
• Temperature range: -40°F to 275°F (-40°C to 135°C)
• ID Range: 1/4 in. to 1-3/8 in., including intersect hose configurations
• Original molded configuration assures proper fit for specific vehicle applications

Important: Not for use in fuel or oil transfer applications. This hose is designed exclusively for coolant system use.

ContiTech molded heater hoses are a trusted OE-quality replacement solution, providing reliable coolant flow and superior resistance to the high underhood temperatures and chemical demands of modern cooling systems.