Dayco 72547 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 72547

The Dayco Curved Radiator Hose 72547 is designed specifically for Toyota 4Runner models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this black radiator coolant hose ensures consistent performance under demanding conditions.

• Made from high-quality EPDM material for heat and chemical resistance
• Black color with a curved design for precise fitment
• End 1 and End 2 inside diameter: 1 5/16 inches
• End 1 and End 2 outside diameter: 1 11/16 inches
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height measures 10 1/2 inches
• Single inside diameter hose type
• Compatible with Toyota 4Runner radiator coolant systems

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses with precise bends and dimensions to match specific vehicle cooling system requirements. This product line is engineered to maintain coolant flow efficiency while fitting tightly within engine compartments, reducing the risk of leaks or hose failure. The 72547 part exemplifies this approach with its exact inside and outside diameters and curvature tailored for Toyota 4Runner applications.

Detailed Product Description

The Dayco 72547 radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. Its black finish complements engine bay aesthetics while providing durability. Both ends of the hose have an inside diameter of 1 5/16 inches and an outside diameter of 1 11/16 inches, ensuring a secure connection to radiator and engine fittings. The hose meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for coolant system applications. With a trunk height of 10 1/2 inches, this single inside diameter hose is designed to fit the Toyota 4Runner cooling system precisely without the need for additional protective sleeves or heat shields.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses on Toyota 4Runner vehicles
• Resolving coolant leaks caused by hose degradation or swelling
• Maintaining proper engine temperature by ensuring efficient coolant flow
• Preventing overheating issues related to faulty or damaged radiator hoses
• Supporting routine maintenance and cooling system repairs on Toyota 4Runner models

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72547, ensure the engine is cool to avoid burns or injury. Verify that the hose dimensions match the original equipment specifications, particularly the inside and outside diameters. Use appropriate clamps to secure the hose ends firmly to the radiator and engine fittings. Inspect adjacent components for wear or damage during installation to prevent future leaks. No heat shield or protective sleeve is included, so take care to route the hose away from excessive heat sources or sharp edges.

Quality Assurance and Warranty

Dayco manufactures the 72547 radiator coolant hose to meet stringent SAE specifications, ensuring reliable performance in automotive cooling systems. The EPDM material and construction standards provide resistance to heat, pressure, and automotive fluids. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and durability expectations for replacement hoses compatible with Toyota 4Runner vehicles.