Dayco 71780 Radiator Coolant Hose

Overview of Dayco Curved Radiator Hose 71780

The Dayco Curved Radiator Hose 71780 is designed to provide reliable coolant flow for select Geo, Mercury, and Toyota vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.

• Constructed from EPDM for heat and chemical resistance
• Black color with a curved design for precise fitment
• Single inside diameter hose with 1 3/16 inch ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Compatible with Geo Prizm, Mercury Marauder, and Toyota Corolla models

Detailed Product Description

This Dayco Curved Radiator Hose 71780 is manufactured from EPDM (ethylene propylene diene monomer) rubber, known for its excellent resistance to heat, ozone, and coolant chemicals. The hose features a consistent inside diameter of 1 3/16 inches on both ends, ensuring a secure and leak-free connection. Its curved design allows for optimal routing within the engine bay, reducing stress and potential kinks. The hose does not include a heat shield or protective sleeve, focusing on a straightforward, durable construction that meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards for radiator coolant hoses.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line is tailored to provide precise fitment and reliable coolant flow for various vehicle applications. This product line emphasizes hoses with specific bends and diameters to accommodate unique engine layouts, such as those found in Geo, Mercury, and Toyota models. The 71780 part number is part of this line, offering a balance of durability and exact fit for radiator coolant systems.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Geo Prizm, Mercury Marauder, and Toyota Corolla
• Prevention of coolant leaks caused by hose degradation
• Maintaining proper coolant flow to avoid engine overheating
• Resolving hose collapse or deformation due to heat exposure
• Ensuring secure hose connections with consistent inside diameter ends

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71780, ensure the hose is routed according to the vehicle manufacturer’s specifications to prevent kinks or undue stress. Verify that the 1 3/16 inch inside diameter matches the radiator and engine fittings. Inspect clamps and surrounding components for wear and replace if necessary to maintain a secure seal. Avoid twisting the hose during installation to preserve its curved shape and integrity.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71780 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for radiator coolant hoses. The EPDM material provides resistance to heat and coolant chemicals, contributing to long service life. Warranty details are subject to Dayco’s standard policies and should be confirmed with the point of purchase.