Dayco 71585 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 71585

The Dayco Curved Radiator Hose 71585 is designed to provide reliable coolant flow for select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this branched radiator coolant hose ensures consistent performance in demanding engine environments.

• Constructed from high-quality EPDM for heat and chemical resistance
• Branched hose design with three connection points
• Inside diameters: 1 5/16" (Ends 1 and 2), 3/4" (End 3)
• Outside diameters: 1 21/32" (Ends 1 and 2), 1 3/32" (End 3)
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Trunk height measures 12 1/2 inches
• Color: Black, without heat shield or protective sleeve

Detailed Product Description

The Dayco Curved Radiator Hose 71585 is a branched radiator coolant hose specifically designed for compatibility with Buick Achieva, Chevrolet Corsica, Pontiac Grand Am, and Oldsmobile Skylark models. Made from EPDM (ethylene propylene diene monomer) rubber, this hose offers excellent resistance to heat, ozone, and coolant chemicals, ensuring durability and longevity in the cooling system. The hose features three connection points with precise inside and outside diameters to maintain proper coolant flow and fitment. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, confirming its suitability for automotive cooling applications.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line includes hoses designed with specific bends and branches to accommodate complex engine layouts. This product line focuses on delivering precise fitment and reliable coolant transfer for various GM vehicles. The 71585 part number is part of this line, offering a branched hose configuration that supports multiple coolant pathways without compromising durability or performance.

Common Applications and Problem Solving

• Replacement for cracked or leaking radiator coolant hoses in Buick Achieva and Chevrolet Corsica
• Solves coolant flow restrictions caused by damaged or collapsed hoses in Pontiac Grand Am
• Addresses overheating issues related to faulty or deteriorated hoses in Oldsmobile Skylark
• Prevents coolant leaks that can lead to engine overheating and damage
• Restores proper coolant circulation in vehicles with branched hose cooling systems

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose to avoid burns
• Check all hose connections and clamps for wear and replace if necessary
• Verify the correct orientation of the branched hose during installation for proper coolant flow
• Inspect the radiator and heater core fittings for corrosion or damage before attaching the new hose
• After installation, refill the cooling system and bleed air pockets to prevent overheating

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71585 to meet stringent SAE standards, ensuring reliable performance in automotive cooling systems. The EPDM material and compliance with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications provide confidence in durability and heat resistance. Warranty details should be confirmed with the original equipment manufacturer or supplier, as they may vary by region and application.