Gates 23579 Modular Upper Radiator Coolant Hose

The Gates 23579 Modular Coolant Hose is a premium upper radiator hose engineered for precise fitment and long-lasting performance. This OE-quality replacement hose is manufactured to exact specifications and includes integrated modular components for easy installation.

Key Features:

• EPDM Construction: Features EPDM tube with synthetic fiber knit reinforcement and heat-, ozone-, and chemical coolant-resistant EPDM cover for superior durability
• Electrochemical Degradation Resistance: Engineered with advanced materials to resist ECD, the leading cause of coolant hose failure
• Vacuum Collapse Resistant: Specifically-engineered materials resist collapse under vacuum conditions, eliminating the need for internal springs in many applications
• Modular Design: Includes integrated radiator fill tee and 2 outlets for easy connection to factory cooling system components
• OE-Exact Specifications: Factory-molded to precise OEM dimensions with 1-3/8 inch (34mm) inside diameter at both ends and 39-1/8 inch (993mm) centerline length
• Wide Temperature Range: Operates reliably from -40°F to +257°F (-40°C to +125°C)
• SAE Certified: Meets SAE 20R3 EC Class D1 and SAE 20R4 EC Class D1 specifications for quality assurance
• Marine Approved: Certified for marine applications

Specifications: Centerline length 39-1/8", end diameters 1-3/8", constructed from EPDM rubber, plastic, and steel. Cross-references OEM part numbers 5058620AC, 5058620AE, 5058620AB, 5058620AD.

Installation Note: Gates recommends replacing hose clamps each time a new coolant hose is installed for optimal seal and performance. Not for use with fuel or oil transfer applications.