Dayco 72559 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 72559

The Dayco Curved Radiator Hose 72559 is designed specifically for Hyundai Optima and Kia Sonata models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance in your vehicle's cooling system.

• Material: EPDM for heat and chemical resistance
• Color: Black
• End 1 Inside Diameter: 1 3/8 inches
• End 2 Inside Diameter: 1 3/8 inches
• Hose Type: Single inside diameter hose
• SAE Specifications: SAE J20R4 Class D-1, SAE J1684 Type EC compliant
• Trunk Height: 24 1/2 inches
• Does not include heat shield or protective sleeve

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with precise bends to fit specific vehicle cooling system layouts. This design helps maintain optimal coolant flow and reduces stress on the hose connections. The 72559 part number is part of this line, engineered to meet the exact fitment requirements of Hyundai Optima and Kia Sonata models.

Detailed Product Description

This radiator coolant hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. The hose features a consistent 1 3/8 inch inside diameter on both ends, ensuring a secure and leak-free connection. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for coolant system applications. The hose length, measured by trunk height, is 24 1/2 inches, designed to fit the specific routing in compatible Hyundai and Kia vehicles. Note that this hose does not include a heat shield or protective sleeve, so proper routing and installation are important to avoid exposure to excessive heat or abrasion.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Hyundai Optima and Kia Sonata
• Prevention of coolant leaks caused by hose degradation
• Restoration of proper coolant flow to maintain engine temperature regulation
• Elimination of hose collapse or swelling under pressure
• Addressing overheating issues related to faulty radiator hoses

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to prevent burns. Verify that the hose routing matches the original to avoid kinks or contact with hot engine components. Use appropriate clamps to secure the hose ends firmly. Inspect adjacent components for wear or damage during installation. Since this hose does not include a heat shield or protective sleeve, consider additional protection if routing near high-temperature areas.

Quality Assurance

Dayco manufactures the Curved Radiator Hose 72559 to meet SAE specifications, ensuring durability and performance in automotive cooling systems. While no specific warranty information is provided, Dayco products are generally subject to quality control standards consistent with OEM replacement parts.