Gates 51571 Premium Modular Coolant Hose

The Gates 51571 Premium Modular Coolant Hose is a precision-engineered HVAC heater hose designed for demanding cooling system applications. This pre-molded coolant hose is manufactured with OEM-quality specifications to ensure exact fit and reliable performance.

Key Features:

• EPDM tube construction with synthetic fiber knit reinforcement for superior durability
• Heat-, ozone-, and chemical coolant-resistant EPDM cover
• Engineered to resist electrochemical degradation (ECD), the leading cause of hose failure
• Specifically-engineered materials resist vacuum collapse, reducing the need for internal springs
• Pre-shaped design ensures perfectly sealed connections
• Temperature range: -40°F to +257°F (-40°C to +125°C)
• Meets SAE 20R4 EC Class D1 standards for hoses 25mm (1 inch) ID and over
• Approved for marine applications

Gates modular coolant hoses are manufactured with OEM-exact hose components including quick connects, branch connectors, tees, and sensors where applicable. Gates recommends replacing hose clamps each time a new coolant hose is installed for optimal performance. Not intended for fuel or oil transfer applications.