Gates 51946 Molded Coolant Hose

The Gates 51946 Molded Coolant Hose is a precision-engineered OEM-quality replacement hose designed to fit specific coolant system applications. This factory-molded hose is manufactured to exact specifications, providing a perfect fit for upper, lower, bypass, heater, and other coolant routing needs.

Key Features:

• EPDM tube with synthetic fiber knit reinforcement and heat-resistant EPDM cover
• Engineered to resist electrochemical degradation (ECD), the leading cause of coolant hose failure
• Pre-shaped design ensures proper fit and perfectly sealed connections
• Temperature range: -40°F to +275°F (-40°C to +135°C)
• Resistant to heat, ozone, and chemical coolants
• Approved for marine applications
• Meets SAE 20R4 EC Class D1 specifications

Gates molded coolant hoses feature re-engineered materials that resist vacuum collapse, eliminating the need for internal springs in many applications. Each hose is precision-manufactured using exclusive factory processes to ensure compatibility and exceptional performance to specific vehicle manufacturer specifications. Gates recommends replacing hose clamps each time a new coolant hose is installed for optimal performance and leak-free operation.