Dayco 71788 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71788

The Dayco Curved Radiator Hose 71788 is designed for reliable coolant flow in Mazda Protege and Nissan Sentra vehicles. Constructed from durable EPDM material, this radiator coolant hose ensures consistent performance under typical engine operating conditions.

• Material: EPDM for heat and chemical resistance
• Color: Black
• End 1 and End 2 Inside Diameter: 1 1/16 inches
• Hose Type: Single inside diameter hose
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk Height: 13 inches
• Compatible with Mazda Protege and Nissan Sentra models

Detailed Product Description

The Dayco Curved Radiator Hose 71788 is engineered to maintain efficient coolant circulation within the radiator system of select Mazda and Nissan vehicles. Made from EPDM (ethylene propylene diene monomer), this hose offers resistance to heat, ozone, and coolant chemicals, which helps extend service life. Both ends of the hose have an inside diameter of 1 1/16 inches, providing a precise fit for the radiator connections on Mazda Protege and Nissan Sentra models. This single inside diameter hose does not include a heat shield or protective sleeve, making it suitable for standard engine bay environments where additional protection is not required.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses with specific bends and dimensions to match OEM radiator hose routing. This product line ensures proper coolant flow and fitment without the need for modifications. The 71788 part number is part of this line, designed to meet exacting SAE specifications for coolant hoses, providing compatibility and durability for Mazda Protege and Nissan Sentra vehicles.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses
• Prevention of coolant leaks due to hose degradation
• Restoration of proper coolant flow to avoid engine overheating
• Addressing hose swelling or softening from heat exposure
• Maintaining OEM fitment and performance in Mazda Protege and Nissan Sentra cooling systems

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 inside diameter matches radiator and engine fittings
• Inspect surrounding components for wear or damage during installation
• Properly route the hose to avoid kinks or contact with moving parts

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71788 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. The EPDM material provides resistance to heat and coolant chemicals, contributing to product longevity. Warranty details should be confirmed with the original equipment manufacturer or supplier.