Dayco 71797 Radiator Coolant Hose - Upper

Durable Radiator Coolant Hose for Hyundai, Lexus, and Toyota

The Dayco Curved Radiator Hose 71797 is engineered to provide reliable coolant flow for select Hyundai, Lexus, and Toyota models. Designed with precision, this radiator coolant hose ensures optimal fit and performance for vehicles like the Toyota Camry, Lexus RX300, and Hyundai Tiburon.

Key Features of Dayco Curved Radiator Hose 71797

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black color with a protective sleeve for added durability
• Single inside diameter hose with 1 5/16 inch ends for consistent coolant flow
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 18 1/4 inches for precise fitment

About the Dayco Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on delivering hoses designed to match the specific contours and cooling system requirements of various vehicles. This product line emphasizes durability and fitment accuracy, making it suitable for maintaining proper coolant circulation in engines. The 71797 part is a curved hose variant that includes a protective sleeve to enhance resistance against abrasion and environmental factors.

Detailed Product Description

This Dayco radiator coolant hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. The hose features a consistent inside diameter of 1 5/16 inches on both ends, ensuring smooth coolant flow without restrictions. Its black color and protective sleeve help guard against wear and external damage. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive cooling systems. With a trunk height of 18 1/4 inches, it fits specific radiator configurations in Hyundai, Lexus, and Toyota vehicles.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Hyundai Tiburon and Toyota Camry
• Prevention of coolant leaks that can cause engine overheating in Lexus RX300 and RX330
• Restoring proper coolant flow in Toyota Avalon and Highlander cooling systems
• Addressing hose degradation due to heat exposure and chemical breakdown
• Ensuring secure coolant system connections with a hose designed for exact fitment

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71797, ensure the cooling system is fully drained and the engine is cool. Verify the hose orientation matches the original to maintain proper coolant flow. Inspect hose clamps and replace if necessary to secure the hose ends firmly. The protective sleeve should face areas prone to abrasion for maximum protection. Double-check for leaks after installation by running the engine to operating temperature.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71797 to meet stringent SAE specifications, ensuring reliable performance in automotive cooling systems. The EPDM material and protective sleeve contribute to the hose's durability and resistance to common failure modes. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability.