Gates 25681 Premium Molded Coolant Hose

The Gates 25681 is a premium molded coolant hose engineered to deliver reliable, OEM-quality performance in upper, lower, bypass, heater, and other coolant circuit applications. As a direct-fit replacement, it is pre-shaped to match original equipment specifications for a precise, leak-free installation without modification.

Key Features:

• EPDM construction — tube, synthetic fiber knit reinforcement, and heat- and ozone-resistant EPDM cover for long service life
• Electrochemical degradation (ECD) resistance — engineered compounds protect against the leading cause of coolant hose failure
• Vacuum collapse resistance — specially engineered materials reduce the need for internal support springs
• Temperature rated from -40°F to +275°F (-40°C to +135°C)
• Meets SAE 20R4 EC Class D1 industry standards
• Pre-shaped fit — molded to OEM dimensions for easy installation and a perfectly sealed connection
• Approved for marine applications

Gates molded coolant hoses are manufactured as part of the most comprehensive curved hose line on the replacement market. Gates recommends replacing hose clamps each time a new coolant hose is installed to ensure a secure, long-lasting seal.