Dayco 71520 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71520

The Dayco Curved Radiator Hose 71520 is designed for reliable coolant flow in select Buick, Chevrolet, and Oldsmobile 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 1/4 inch ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 19 inches for precise fitment
• Compatible with Buick Caprice, Chevrolet Custom Cruiser, and Oldsmobile Roadmaster

Detailed Product Features and Specifications

The Dayco Curved Radiator Hose 71520 is part of the Curved Radiator Hose product line, which focuses on delivering hoses with precise bends to accommodate specific engine layouts. This hose is made from EPDM (ethylene propylene diene monomer), a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals, making it suitable for radiator coolant applications. Both ends of the hose have an inside diameter of 1 1/4 inches, designed as a single inside diameter hose to ensure a secure and leak-free connection. The hose does not include a heat shield or protective sleeve, which is typical for this type of radiator hose. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant systems. The trunk height of 19 inches allows for proper routing in the engine bay of compatible vehicles.

Compatible Vehicles and Applications

This radiator coolant hose is compatible with specific models from Buick, Chevrolet, and Oldsmobile, including:

• Buick Caprice
• Chevrolet Custom Cruiser
• Oldsmobile Roadmaster

It is designed to replace worn or damaged radiator hoses in these vehicles, ensuring proper coolant circulation and engine temperature regulation.

Common Issues Addressed by Dayco Radiator Hose 71520

• Prevents coolant leaks caused by cracked or brittle hoses
• Maintains proper coolant flow to avoid engine overheating
• Resists degradation from heat and coolant chemicals
• Eliminates hose collapse or kinking due to precise curved design
• Ensures secure fitment to prevent disconnections under pressure

Installation Notes and Tips

• Verify hose dimensions and fitment with your vehicle model before installation
• Drain coolant system prior to hose removal to avoid spills
• Inspect hose clamps and replace if worn or corroded
• Ensure hose ends are clean and free of debris before attaching
• Tighten clamps securely to prevent leaks but avoid over-tightening

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71520 to meet industry standards SAE J20R4 Class D-1 and SAE J1684 Type EC, ensuring durability and performance in automotive cooling systems. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to maintain reliability in OEM and aftermarket applications.