Gates 21117 Molded Coolant Radiator Hose

The Gates 21117 is a precision-molded coolant hose engineered to deliver OEM-quality performance for radiator and cooling system applications. This pre-shaped hose is manufactured to exact specifications for a proper fit and perfectly sealed connection in your cooling system.

Key Features:

• EPDM tube with synthetic fiber knit reinforcement for superior strength and durability
• Heat and ozone-resistant EPDM cover withstands extreme temperatures from -40°F to +275°F
• Engineered to resist electrochemical degradation (ECD), the leading cause of coolant hose failure
• Specifically-engineered materials resist vacuum collapse, reducing the need for internal springs
• Pre-shaped design ensures proper fit and secure sealing
• Meets SAE 20R4 EC Class D1 performance requirements
• Approved for marine applications

Gates molded coolant hoses are factory-molded to fit upper, lower, bypass, heater, and other coolant system applications. This hose provides reliable protection against heat, ozone, and chemical coolants, ensuring your engine maintains optimal operating temperatures. Gates recommends replacing hose clamps each time a new coolant hose is installed for best results.