Dayco 71626 Radiator Coolant Hose - Lower or Lower - Pipe To Radiator

Overview of Dayco Curved Radiator Hose 71626

The Dayco Curved Radiator Hose 71626 is designed specifically for Nissan vehicles including the D21, Frontier, Pickup, and Xterra models. Engineered to meet SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, this radiator coolant hose ensures reliable performance in cooling system applications.

• Constructed from durable EPDM material for heat and chemical resistance
• Black color with a single inside diameter hose design
• End 1 and End 2 inside diameters both measure 1 11/32 inches
• Trunk height of 14 1/2 inches for precise fitment
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Does not include heat shield or protective sleeve

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and dimensions to accommodate various engine layouts. This product line is designed to offer a precise fit and maintain coolant flow efficiency without the need for modifications. The 71626 part number is part of this line, ensuring compatibility and durability for Nissan cooling systems.

Detailed Product Description

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for automotive cooling systems. The hose features a single inside diameter of 1 11/32 inches on both ends, allowing for a consistent and secure connection. Its black color is standard for radiator hoses, providing a professional appearance under the hood. The trunk height of 14 1/2 inches ensures the hose fits correctly within the engine bay of Nissan D21, Frontier, Pickup, and Xterra models without interference.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses
• Prevention of coolant leaks due to hose degradation
• Maintaining proper coolant flow to avoid engine overheating
• Resolving fitment issues with curved radiator hoses in Nissan models
• Upgrading OEM hoses that do not meet SAE specifications

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to prevent burns. Verify that the hose ends match the 1 11/32 inch inside diameter fittings on your vehicle. Use appropriate clamps to secure the hose and check for leaks after installation. The absence of a heat shield or protective sleeve means extra care should be taken to avoid contact with sharp edges or hot components.

Quality Assurance and Warranty

Dayco manufactures this radiator hose to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for durability and performance. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to maintain reliability in automotive cooling systems.