Dayco 72390 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 72390

The Dayco Curved Radiator Hose 72390 is designed specifically for Ford Fusion and Mercury Milan models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this dual inside diameter hose ensures a precise fit and long-lasting performance.

• Made from high-quality EPDM rubber for heat and chemical resistance
• Dual inside diameters: 1 1/4 inch and 1 1/2 inch for secure connections
• Black color for standard OEM appearance
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 18 1/2 inches for proper routing in engine bay

Detailed Product Description

The Dayco Curved Radiator Hose part number 72390 is engineered to meet the cooling system requirements of Ford Fusion and Mercury Milan vehicles. This radiator coolant hose features a dual inside diameter design, with one end measuring 1 1/4 inches and the other 1 1/2 inches, allowing for a precise and secure fit on different radiator and engine connections. Manufactured from EPDM (ethylene propylene diene monomer) rubber, the hose offers excellent resistance to heat, ozone, and coolant chemicals, ensuring durability under demanding engine conditions.

As part of Dayco's Curved Radiator Hose product line, this hose is designed to accommodate specific vehicle routing needs, providing a curved shape that fits the engine bay layout without kinking or restricting coolant flow. The hose meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its compliance with industry requirements for coolant hoses.

Applications and Common Issues Addressed

• Replacement of worn or cracked radiator coolant hoses on Ford Fusion and Mercury Milan
• Prevention of coolant leaks caused by hose degradation or improper fit
• Restoration of proper coolant flow to avoid engine overheating
• Elimination of hose collapse or kinking due to incorrect hose shape
• Addressing coolant system failures related to non-compliant or substandard hoses

Installation Notes and Tips

• Ensure the engine is cool before removing the old radiator hose
• Check hose connections for corrosion or damage before installation
• Use appropriate clamps to secure the hose ends firmly
• Verify the hose routing matches the original to prevent kinks or interference
• Inspect the cooling system for leaks after installation and during initial engine operation

Quality Assurance and Warranty

Dayco's Curved Radiator Hose 72390 is manufactured to meet strict SAE specifications, ensuring reliable performance and durability. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability. Using this hose helps maintain the integrity of the cooling system in Ford Fusion and Mercury Milan vehicles.