Dayco 71317 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71317

The Dayco Curved Radiator Hose 71317 is designed for reliable coolant flow in Ford trucks, including Bronco, F-150, F-250, F-250 HD, and F-350 models. 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 1/2 inch and 1 3/4 inch ends for precise fitment
• Black color for standard OEM appearance
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 20 inches for proper routing in engine bay
• Compatible with Ford Bronco, F-150, F-250, F-250 HD, and F-350

Detailed Product Description

The Dayco Curved Radiator Hose 71317 is part of the Curved Radiator Hose product line, which focuses on delivering hoses with precise bends and dual inside diameters to accommodate specific radiator and engine connections. This hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for demanding automotive cooling systems. The dual inside diameter design (1 1/2 inch on one end and 1 3/4 inch on the other) allows for a secure and leak-free connection between different sized fittings. The hose does not include a heat shield or protective sleeve, which is typical for this type of radiator coolant hose. Its 20-inch trunk height ensures proper fitment and routing within the engine compartment of compatible Ford trucks.

Applications and Common Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Ford Bronco and F-Series trucks
• Resolving coolant leaks caused by hose degradation or improper fit
• Maintaining optimal engine temperature by ensuring proper coolant flow
• Preventing overheating issues related to faulty radiator hose connections
• Upgrading OEM hoses with a durable EPDM material for extended service life

Installation Notes and Tips

• Verify hose dimensions and fitment with your specific Ford model before installation
• Ensure both radiator and engine fittings are clean and free of debris
• Use appropriate clamps to secure the hose ends and prevent leaks
• Inspect surrounding components for wear or damage during replacement
• Check coolant levels and system pressure after installation to confirm proper operation

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71317 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for radiator coolant hoses. The use of EPDM material provides resistance to heat and coolant chemicals, contributing to the hose's durability and reliability. Warranty details are provided by the manufacturer and typically cover defects in material and workmanship under normal use conditions.