ContiTech 64173 Molded Heater Hose EPDM

The ContiTech 64173 is a precision-molded heater hose engineered to transfer glycol-based coolants to and from the heater core, bypass to the radiator, and through other critical components in your vehicle's cooling system. This OEM-configuration hose ensures proper fit and reliable performance in demanding underhood environments.

Key Features:

• EPDM tube and cover construction with synthetic knit reinforcement for superior durability
• Compatible with ethylene glycol and propylene glycol-based coolants, plus organic acid modified long-life coolants
• Meets or exceeds SAE 20R3EC Class D1 and D2 specifications
• Resistant to Electrochemical Degradation (ECD) for extended service life
• Temperature range: -40°F to 275°F (-40°C to 135°C)
• Molded to original equipment specifications for exact fit

Technical Specifications:

• Material: EPDM rubber with synthetic knit reinforcement
• Color: Black
• SAE Standard: 20R3EC Class D1 and D2
• UPC: 037256185885

This molded heater hose is designed specifically for applications requiring custom-routed heater hoses and features rugged construction to withstand high underhood temperatures and antifreeze coolants. Not for use in fuel or oil transfer applications.