Gates 51646 Premium Modular Coolant Hose

The Gates 51646 Premium Modular Coolant Hose is an OE-quality replacement coolant hose engineered to deliver reliable performance in modern engine cooling systems. As a leader in modular assembly coolant hoses, Gates manufactures this hose to exact specifications with integrated OEM-style components for a precise fit and professional installation.

Key Features:

• EPDM tube with synthetic fiber knit reinforcement and heat-resistant EPDM cover
• Engineered to resist electrochemical degradation, the leading cause of coolant hose failure
• Manufactured with OEM-exact components including quick-connectors, branches, and sensors as required
• Re-engineered materials resist vacuum collapse for superior durability
• Temperature range: -40°F to +275°F (-40°C to +135°C)
• Meets SAE 20R3 EC Class D1 standards for hoses under 1-inch ID, SAE 20R4 EC Class D1 for 1-inch ID and over
• Heat and ozone resistant for long service life

Gates recommends replacing hose clamps each time a new coolant hose is installed for optimal sealing. This hose is designed for coolant applications only and should not be used for fuel or oil transfer.