Dayco 71273 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71273

The Dayco Curved Radiator Hose 71273 is designed to provide reliable coolant flow for select Cadillac, Chevrolet, and Toyota vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black color with a curved design for precise fitment
• Both ends have a 1 1/4 inch inside diameter for uniform coolant flow
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Single inside diameter hose type with a trunk height of 20 1/4 inches
• Compatible with Cadillac Commercial Chassis, Chevrolet Corvette and Impala, and Toyota Tundra models

Detailed Product Description

The Dayco Curved Radiator Hose 71273 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, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals, making it suitable for radiator coolant systems. The hose features a consistent 1 1/4 inch inside diameter on both ends, ensuring smooth coolant circulation without restriction. Its black color and curved shape allow for easy installation in tight engine compartments without the need for additional modifications.

Applications and Common Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Cadillac Commercial Chassis vehicles
• Resolving coolant leaks or overheating issues in Chevrolet Corvette and Impala models
• Maintaining proper coolant flow in Toyota Tundra trucks with original equipment hose failure
• Preventing coolant system pressure loss due to hose degradation
• Ensuring compatibility with factory cooling system specifications

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71273, ensure the engine is cool to avoid burns. Verify that the hose routing matches the original path to prevent kinks or interference with other engine components. Use appropriate clamps to secure both ends firmly, and inspect the cooling system for leaks after installation. This hose does not include a heat shield or protective sleeve, so avoid contact with sharp edges or excessive heat sources during installation.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71273 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for radiator hoses. The EPDM material provides durability against heat and coolant exposure. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to maintain reliability and performance in automotive cooling systems.