Dayco 71978 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71978

The Dayco Curved Radiator Hose 71978 is designed specifically for Ford Escort models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this radiator coolant hose ensures consistent performance under typical operating conditions.

• Material: EPDM for heat and chemical resistance
• Color: Black
• End 1 Inside Diameter: 1 11/32 inches
• End 2 Inside Diameter: 1 11/32 inches
• Hose Type: Single inside diameter hose
• SAE Specifications: SAE J20R4 Class D-1, SAE J1684 Type EC compliant
• Trunk Height: 12 inches
• Compatible with Ford Escort models

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses shaped to fit specific vehicle cooling system layouts, reducing the need for modifications during installation. This product line emphasizes precise fitment and material quality, with the 71978 part tailored to the Ford Escort’s cooling system requirements.

Product Description and Specifications

This radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for automotive cooling systems. Both ends of the hose have an inside diameter of 1 11/32 inches, ensuring a secure connection to the radiator and engine fittings. The hose is a single inside diameter type without additional heat shields or protective sleeves, designed to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards for coolant hoses. With a trunk height of 12 inches, it fits the specific routing requirements of the Ford Escort cooling system.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses on Ford Escort vehicles
• Resolving coolant leaks caused by hose degradation
• Maintaining proper coolant flow to prevent engine overheating
• Ensuring compatibility with factory cooling system dimensions
• Addressing hose failures due to heat or chemical exposure

Installation Notes and Tips

Before installation, verify the hose dimensions and fitment with your Ford Escort model. Ensure all clamps and connections are clean and free of debris. It is recommended to replace any worn clamps during installation to maintain a secure seal. Avoid twisting or stretching the hose excessively to prevent premature wear. Proper routing according to factory specifications will help maintain hose longevity and cooling system efficiency.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71978 to meet SAE standards, ensuring reliable performance in automotive cooling systems. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by manufacturer support for defects in material and workmanship.