Dayco 71449 Radiator Coolant Hose - Lower or Lower - Radiator To Thermostat

Overview of Dayco Curved Radiator Hose 71449

The Dayco Curved Radiator Hose 71449 is designed to provide reliable coolant flow for select Geo, Isuzu, and Toyota vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black single inside diameter hose with 1 3/16 inch diameter on both ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 16 inches for precise fitment
• Compatible with Geo Celica, Isuzu Impulse, Toyota Corolla, and Toyota Prizm models

Detailed Product Description

The Dayco Curved Radiator Hose 71449 is a single inside diameter hose designed to maintain optimal coolant circulation within the radiator system. Made from EPDM (ethylene propylene diene monomer), this hose offers excellent resistance to heat, ozone, and coolant chemicals, which helps extend the service life of the cooling system. Both ends of the hose have an inside diameter of 1 3/16 inches, ensuring a secure and leak-free connection to the radiator and engine fittings. The hose does not include a heat shield or protective sleeve, focusing on straightforward, reliable performance.

This hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive cooling applications. The trunk height of 16 inches allows for proper routing and fitment in the engine bay of compatible vehicles.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line is designed to provide precise fit and durability for specific vehicle applications. This product line focuses on delivering hoses that match OEM specifications in shape and size, ensuring proper coolant flow and system integrity. The 71449 part number is part of this line, offering a curved design that fits the cooling systems of select Geo, Isuzu, and Toyota models without modification.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses
• Prevention of coolant leaks that can cause engine overheating
• Restoration of proper coolant flow in Geo Celica, Isuzu Impulse, Toyota Corolla, and Toyota Prizm
• Addressing hose swelling or softening due to heat exposure
• Ensuring secure hose connections to avoid coolant loss

Installation Notes and Tips

• Verify hose dimensions and fitment with your vehicle’s specifications before installation
• Ensure all clamps and fittings are clean and free of debris for a tight seal
• Replace any worn or damaged clamps during installation to prevent leaks
• Inspect the cooling system for other potential issues while replacing the hose
• Allow the engine to cool completely before removing the old hose

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71449 to meet industry standards for durability and performance. The hose is built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, ensuring compatibility and reliability. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support proper function and fitment in the listed vehicle models.