ContiTech 64551 Elite Molded Heater Bypass Hose

The ContiTech 64551 is a premium molded heater and bypass hose designed to transfer glycol-based coolants between the heater core, radiator bypass, and other engine cooling system components. Part of Continental's Elite line of cooling system products, this precision-molded hose ensures reliable coolant flow and proper engine temperature regulation.

Key Features:

• EPDM rubber construction provides superior resistance to heat, ozone, and chemical coolants
• Synthetic knit reinforcement and wire insert prevent collapse under vacuum conditions
• Pre-molded design follows OE routing for exact fit and easy installation
• Meets SAE 20R3EC Class D1 and D2 specifications for coolant hose applications
• Temperature range: -40°F to 257°F (-40°C to 125°C)
• Compatible with glycol-based antifreeze and coolant formulations

ContiTech, a division of Continental AG with over 140 years of experience, manufactures this hose to ISO/TS quality standards. The molded construction eliminates the need for multiple connections and reduces potential leak points, while the flexible EPDM material maintains full coolant flow throughout the operating temperature range. This direct-fit replacement hose restores cooling system performance and helps prevent engine overheating.