Gates 24857 Premium Modular Coolant Hose Assembly

The Gates 24857 is a premium modular coolant hose assembly designed for precise fit and reliable performance in modern cooling systems. This curved hose connects the thermostat to the engine, allowing coolant to flow efficiently and maintain optimal engine temperatures.

Advanced Construction:

• EPDM rubber tube with synthetic fiber knit reinforcement for superior strength
• Heat-, ozone-, and chemical coolant-resistant EPDM cover
• Engineered to resist electrochemical degradation—the leading cause of hose failure
• Specifically-engineered materials resist collapse under vacuum conditions
• Manufactured with OEM-exact hose components including quick connects and sensors

Technical Specifications:

• Temperature range: -40°F to +257°F (-40°C to +125°C)
• Meets SAE 20R3 EC Class D1 under 25mm (1 in.) ID
• Meets SAE 20R4 EC Class D1 for 25mm (1 in.) ID and over
• Direct-fit replacement designed for specific applications

This modular coolant hose assembly is more complex than standard molded hoses, featuring integrated components that match OEM specifications. Gates recommends replacing clamps each time a new coolant hose is installed. Not suitable for fuel or oil transfer applications.