Gates 24637 Premium Molded Coolant Hose Upper Radiator Hose

The Gates 24637 Premium Molded Coolant Hose is a factory-molded upper radiator hose engineered to deliver OEM-quality performance and reliability. This pre-shaped hose is designed to resist electrochemical degradation (ECD), the leading cause of coolant hose failure, ensuring long-lasting durability in demanding automotive cooling systems.

Key Features:

• Premium EPDM (ethylene propylene diene monomer) construction with synthetic fiber knit reinforcement provides superior resistance to heat, ozone, and chemical coolants
• Pre-molded design ensures a perfect fit and proper sealed connections for upper radiator applications
• Engineered to resist electrochemical degradation that causes micro-cracks and premature hose failure
• 37mm inside diameter at both ends with 522mm centerline length for precise OEM fitment
• Temperature range: -40°F to +275°F (-40°C to +135°C) for reliable performance in extreme conditions
• Does not require internal spring support due to vacuum-resistant compound engineering
• Meets or exceeds SAE 20R4 EC Class D1 specifications

Gates molded coolant hoses are precision-manufactured to exact factory specifications, providing a reliable replacement that eliminates the need for expensive dealer parts. The advanced EPDM material compound resists the galvanic cell effect that occurs between coolant, hose, and metal fittings, significantly extending service life compared to standard hoses.

Specifications:

• Manufacturer Part Number: 24637
• Position: Upper
• Material: EPDM tube and cover with synthetic fiber knit reinforcement
• End 1 Inside Diameter: 37mm (approximately 1.46 inches)
• End 2 Inside Diameter: 37mm (approximately 1.46 inches)
• Centerline Length: 522mm (approximately 20.6 inches)
• Molded: Yes
• Quick Connect Fittings: 0
• Contains Spring: No

Replaces OEM Part Numbers: FR3Z-8260-D, FR3Z-8260-F, FR33-8260-CB, FR33-8B274-CB

Installation Note: Gates recommends replacing hose clamps each time a new coolant hose is installed to ensure proper sealing and prevent leaks.