Dayco 70680 Radiator Coolant Hose - Lower or Lower - Pipe To Engine

Overview of Dayco Curved Radiator Hose 70680

The Dayco Curved Radiator Hose 70680 is designed for reliable cooling system performance in select Ford trucks and Econoline vans. Engineered with durable EPDM material, this dual inside diameter hose ensures a precise fit and efficient coolant flow for your Ford E-Series and F-Series vehicles.

• Constructed from high-quality EPDM for heat and chemical resistance
• Dual inside diameters: 1 3/4 inch and 1 7/8 inch for versatile fitment
• Black color for standard OEM appearance
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 13 1/2 inches for proper routing in engine bay

Detailed Product Description

The Dayco Curved Radiator Hose 70680 is a dual inside diameter hose designed to meet the cooling system requirements of various Ford models, including the E-100, E-150, E-250, and E-350 Econoline vans, as well as F-100, F-150, F-250, and F-350 trucks. Made from EPDM (ethylene propylene diene monomer) rubber, this hose offers excellent resistance to heat, ozone, and coolant chemicals, ensuring durability and long service life. The hose’s curved design and specific trunk height of 13 1/2 inches allow for proper fitment and routing within the engine compartment, reducing stress and potential leaks.

The Dayco Curved Radiator Hose product line focuses on providing hoses with precise bends and dual inside diameters to accommodate varying radiator and engine connections. This hose meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for coolant system applications in Ford vehicles.

Applications and Common Issues Addressed

• Replacement for worn or cracked radiator coolant hoses in Ford E-Series Econoline vans
• Solves coolant leaks caused by hose degradation or swelling
• Prevents overheating due to compromised coolant flow
• Addresses fitment issues with mismatched hose diameters in cooling systems
• Restores proper coolant circulation in Ford F-Series trucks

Installation Notes and Tips

• Ensure engine is cool before removing the old radiator hose
• Check hose clamps and replace if corroded or damaged
• Verify the correct orientation of the curved hose for proper fitment
• Inspect radiator and engine connections for damage before installation
• After installation, run the engine and check for leaks or hose movement

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70680 to meet industry SAE specifications, ensuring reliable performance in cooling system applications. The EPDM material and construction standards provide resistance to heat and coolant chemicals. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support durability and fitment in compatible Ford vehicles.