ContiTech 63173 Molded HVAC Heater Hose

The ContiTech 63173 molded heater hose is engineered to efficiently transfer glycol-based coolants throughout your vehicle's HVAC system. This precision-molded hose provides reliable coolant flow between the heater core, radiator bypass, and other critical cooling system components.

Key Features:

• Molded design ensures proper fit and full flow through tight bends
• EPDM construction resists high underhood temperatures and antifreeze coolants
• Meets SAE 20R3EC Class D1 and Class D2 specifications for quality assurance
• Compatible with ethylene glycol and propylene glycol-based coolants
• Synthetic reinforcement provides durability and prevents collapse under vacuum
• Designed to relieve stress on connections and prevent leaks

This direct-fit replacement hose matches OEM specifications for reliable performance and longevity. Continental ContiTech heater hoses are built to withstand the demanding conditions of modern automotive cooling systems, offering superior resistance to heat, pressure, and coolant degradation.