ContiTech 63509 Elite Molded Heater Hose

The ContiTech 63509 is a precision-molded heater hose designed for demanding automotive cooling system applications. This molded bypass and heater hose is engineered to transfer glycol-based coolants between critical engine components while withstanding the extreme temperatures and pressures found in modern underhood environments.

Key Features:

• Pre-formed molded construction maintains full coolant flow through tight bends and reduces stress on component connections
• EPDM rubber compound resists antifreeze coolants, ozone, and high underhood temperatures
• Meets SAE 20R3 Class D specifications for heater hose applications
• Resistant to Electrochemical Degradation (ECD) for extended service life
• Engineered to match OEM specifications for quality, fit, and durability
• Direct replacement design for quick and easy installation

ContiTech Elite molded heater hoses are manufactured from premium materials and designed to restore proper cooling system operation. The molded configuration ensures optimal routing and fitment for reliable performance in bypass, heater core, and coolant transfer applications.