Dayco 71789 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 71789

The Dayco Curved Radiator Hose 71789 is designed specifically for Mazda Protege models, providing reliable coolant flow and engine temperature regulation. Made from durable EPDM material, this radiator coolant hose ensures consistent performance under typical operating conditions.

• Constructed from EPDM for heat and chemical resistance
• Black color with a single inside diameter of 1 1/16 inches on both ends
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Curved design tailored for precise fitment on Mazda Protege vehicles
• Trunk height of 12 inches for proper routing and clearance

Detailed Product Description

The Dayco Curved Radiator Hose 71789 is a single inside diameter hose engineered to meet the cooling system requirements of Mazda Protege models. Its EPDM construction offers resistance to heat, ozone, and coolant chemicals, which helps maintain hose integrity over time. Both ends of the hose have an inside diameter of 1 1/16 inches, ensuring a secure connection to the radiator and engine fittings. This hose does not include a heat shield or protective sleeve, focusing on a straightforward, functional design. The curved shape facilitates proper coolant flow and fitment within the engine bay, reducing stress on connections and improving durability.

About the Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco is designed to provide precise fitment and reliable coolant transfer for specific vehicle applications. This product line emphasizes hoses with tailored bends and dimensions to match OEM specifications, reducing installation complexity and improving system performance. The 71789 part is part of this line, offering a direct replacement solution for Mazda Protege cooling systems.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses on Mazda Protege
• Prevention of coolant leaks due to hose degradation
• Maintaining proper engine temperature by ensuring coolant flow
• Resolving overheating issues caused by faulty or collapsed hoses
• Addressing coolant system pressure loss from damaged hoses

Installation Notes and Tips

• Verify hose dimensions and fitment with your Mazda Protege before installation
• Ensure all clamps and connections are secure to prevent leaks
• Inspect surrounding components for wear or damage during replacement
• Drain coolant system prior to hose removal to avoid spills
• Use proper tools to avoid damaging hose ends or fittings

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71789 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. While specific warranty details are not provided, Dayco products typically adhere to quality control processes to maintain reliability and performance in automotive cooling systems.