Dayco 70797 Radiator Coolant Hose

Overview of Dayco Curved Radiator Hose 70797

The Dayco Curved Radiator Hose 70797 is engineered for reliable coolant flow in various vehicle models including Toyota 4Runner, Nissan Pathfinder, and Volkswagen Jetta. Designed with durable EPDM material, this dual inside diameter hose ensures a secure fit and efficient heat resistance for your cooling system.

• Constructed from high-quality EPDM material for durability and heat resistance
• Dual inside diameters: 1 1/4 inch and 1 5/16 inch for precise fitment
• Black color for standard OEM appearance
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 10 inches suitable for curved radiator hose applications

Detailed Product Description

The Dayco Curved Radiator Hose 70797 is a dual inside diameter hose designed to meet the cooling system requirements of multiple vehicle makes and models such as the Dodge Ram 50, Lexus IS300, and Mazda B2000. Made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, this hose maintains integrity under demanding engine conditions. The hose’s black finish matches OEM standards, and its curved design accommodates specific radiator and engine layouts. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses.

About the Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on providing hoses with precise bends and dual inside diameters to fit complex cooling system configurations. This product line is designed to replace original equipment hoses that require specific curvature and size variations, improving installation ease and system reliability. The 70797 part number is a representative model within this line, offering compatibility with a broad range of vehicles.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Toyota 4Runner and Nissan Pathfinder
• Resolving coolant leaks caused by hose degradation in Volkswagen Jetta and Mazda B2000
• Addressing improper fitment issues in Dodge Ram 50 cooling systems
• Maintaining proper coolant flow and preventing overheating in Lexus IS300
• Ensuring secure connections in curved radiator hose assemblies

Installation Notes and Tips

• Verify hose inside diameters (1 1/4 inch and 1 5/16 inch) match vehicle specifications before installation
• Inspect radiator and engine fittings for corrosion or damage prior to hose replacement
• Use appropriate clamps to secure hose ends and prevent leaks
• Ensure the hose routing follows the original path to avoid kinks or interference
• Allow engine to cool before removing old hose to prevent injury

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70797 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring consistent quality and performance. The EPDM material provides resistance to heat and coolant chemicals, contributing to long service life. Warranty information is provided by Dayco and typically covers defects in material and workmanship under normal use conditions. Refer to Dayco’s official warranty policy for specific terms.