Gates 51557 Premium Molded Heater Hose

The Gates 51557 is a premium molded heater hose engineered for HVAC heating and cooling systems. This pre-shaped hose is designed to fit specific automotive applications, providing an OEM-quality replacement that saves time and ensures reliable performance.

Key Features:

• Precision-molded design for exact fitment in tight engine compartments
• Engineered to resist electrochemical degradation (ECD), the leading cause of hose failure
• EPDM rubber construction with synthetic fiber reinforcement for superior durability
• Temperature range: -40°F to +275°F (-40°C to +135°C)
• Resistant to heat, ozone, and chemical coolants
• Meets SAE 20R3 and SAE 20R4 specifications
• Pre-shaped to ensure perfectly sealed connections and optimal coolant flow

Gates molded heater hoses are manufactured to original equipment specifications, eliminating the need to source hoses from dealerships. The EPDM material compound provides superior resistance to vacuum collapse and permeation, extending service life. Gates recommends replacing hose clamps each time a new coolant hose is installed for optimal sealing performance.