Dayco 71582 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71582

The Dayco Curved Radiator Hose 71582 is designed for reliable coolant flow in select Buick, Oldsmobile, and Pontiac vehicles. Engineered with EPDM material, this black curved radiator coolant hose ensures durability and compatibility with specific models like the Achieva, Grand Am, and Skylark.

• Constructed from durable EPDM material for heat and chemical resistance
• Black color with a curved design for precise fitment
• Inside diameter of 1 5/16 inches on both ends for consistent coolant flow
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Single inside diameter hose without heat shield or protective sleeve
• Trunk height of 19 inches for proper routing in engine bay

Detailed Product Description

The Dayco Curved Radiator Hose 71582 is a radiator coolant hose specifically designed to meet the cooling system requirements of Buick Achieva, Oldsmobile Cutlass, and Pontiac Grand Am and Skylark models. Made from EPDM (ethylene propylene diene monomer) rubber, this hose offers excellent resistance to heat, ozone, and coolant chemicals, ensuring long service life under typical engine operating conditions. Both ends of the hose have an inside diameter of 1 5/16 inches, providing a consistent seal and flow path for the coolant. The hose is a single inside diameter type, without additional heat shields or protective sleeves, making it suitable for applications where such features are not required. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant systems.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with precise bends and dimensions to fit specific vehicle cooling system layouts. This product line addresses the need for hoses that maintain coolant flow efficiency while fitting tightly within engine compartments. The 71582 part number is part of this line, offering a tailored fit for select GM vehicles, ensuring proper coolant circulation without interference or kinking.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Buick Achieva, Oldsmobile, and Pontiac models
• Prevention of coolant leaks caused by hose degradation or improper fit
• Maintaining optimal engine temperature by ensuring proper coolant flow
• Resolving overheating issues related to damaged or collapsed radiator hoses
• Addressing coolant system failures due to hose swelling or brittleness

Installation Notes and Tips

• Verify hose inside diameter and length match your vehicle’s specifications before installation
• Ensure clamps are properly tightened to prevent leaks but avoid over-tightening which can damage the hose
• Inspect surrounding components for wear or damage during replacement
• Flush the cooling system if contamination or debris is present before installing the new hose
• Check for proper routing to avoid contact with moving parts or excessive heat sources

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71582 to meet SAE specifications J20R4 Class D-1 and J1684 Type EC, ensuring compliance with industry standards for coolant hoses. The EPDM material used provides resistance to heat, ozone, and coolant chemicals, contributing to the hose’s durability. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support reliable performance in automotive cooling systems.