Dayco 70308 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 70308

The Dayco Curved Radiator Hose 70308 is designed to provide reliable coolant flow for various Ford, Mercury, and Toyota vehicles. Engineered with durable EPDM material, this dual inside diameter hose ensures a secure fit and efficient cooling system performance.

• Constructed from high-quality EPDM for heat and chemical resistance
• Dual inside diameters: 1 1/4 inch and 1 1/2 inch for versatile fitment
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Black color for standard OEM appearance
• Trunk height of 14 1/2 inches for precise routing

Detailed Product Description

The Dayco Curved Radiator Hose 70308 is a dual inside diameter hose designed to meet the cooling system requirements of select Ford, Mercury, and Toyota models, including Bronco, Celica, Corona, E-100 Econoline, Montego, Mustang, and Villager. Made from EPDM material, this hose offers resistance to heat, ozone, and coolant chemicals, ensuring durability and long service life. The hose features a curved design with a trunk height of 14 1/2 inches, facilitating proper fitment and routing within the engine bay. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its compliance with industry cooling hose specifications.

About the Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on providing hoses with specific bends and dual inside diameters to accommodate complex engine layouts. This product line is engineered to maintain coolant flow efficiency while fitting tightly within confined spaces, reducing the risk of leaks or hose failure. The 70308 part number is a representative example, combining material quality and precise dimensions to support reliable cooling system operation.

Common Applications and Problem Solving

• Replacement for worn or cracked radiator coolant hoses in Ford Bronco and Mustang models
• Addressing coolant leaks caused by hose degradation in Toyota Celica and Corona vehicles
• Resolving improper hose fitment issues in Mercury Montego and Villager cooling systems
• Preventing overheating due to compromised coolant flow in Ford Econoline vans
• Ensuring proper coolant circulation in vehicles requiring dual inside diameter hose configurations

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 70308, ensure the hose is routed without kinks or sharp bends beyond its designed curvature. Verify that the 1 1/4 inch and 1 1/2 inch ends match the corresponding radiator and engine fittings. Use appropriate clamps to secure the hose and check for leaks after installation. It is recommended to replace any worn clamps or related components during installation to maintain system integrity.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70308 to meet stringent SAE specifications, ensuring consistent quality and performance. The EPDM material and construction standards provide resistance to heat and coolant chemicals, contributing to the hose's durability. Warranty details should be confirmed with the original equipment manufacturer or supplier, as coverage may vary.