Gates 23721 Premium Molded Coolant Radiator Hose EPDM

The Gates 23721 is a premium molded coolant hose engineered to provide OEM-quality performance for upper, lower, bypass, heater, and other coolant system applications. This factory-molded hose features a precision-shaped design that ensures a perfect fit and reliable sealed connections in your cooling system.

Key Features:

• EPDM rubber construction with synthetic fiber knit reinforcement for superior durability
• Engineered to resist electrochemical degradation (ECD), the leading cause of coolant hose failure
• Pre-shaped molded design ensures proper fit and perfectly sealed conditions
• Centerline length: 24-11/16 inches (627mm)
• End connections: 1-3/4 inch (44mm) inside diameter on both ends
• Temperature rating: -40°F to 275°F (-40°C to 135°C)
• Heat-, ozone-, and chemical coolant-resistant EPDM cover
• Specifically-engineered materials resist vacuum collapse
• Approved for marine applications

Technical Specifications:

• Material: EPDM (Ethylene Propylene Diene Monomer) rubber
• Meets SAE 20R3 type EC Class D-1 and D-2 specifications
• OEM-quality construction similar to original equipment specifications
• 1 Year Limited Warranty

Gates has been a leading manufacturer in the automotive industry for over a century, working directly with Original Equipment Manufacturers worldwide. This molded coolant hose delivers the same quality and reliability as the original factory part, saving you time and money compared to dealer replacements. Gates recommends replacing hose clamps each time a new coolant hose is installed for optimal performance.

Important: Do not use for fuel or oil transfer applications. This hose is designed specifically for coolant, water, and air applications only.