Dayco 72786 Radiator Coolant Hose - Upper - Pipe To Radiator

Overview of Dayco Curved Radiator Hose 72786

The Dayco Curved Radiator Hose 72786 is designed specifically for Audi A4 and A4 Quattro models. Engineered to meet SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, this branched radiator coolant hose ensures reliable performance in your vehicle's cooling system.

• Constructed from durable EPDM material for heat and chemical resistance
• Branched hose design with three different inside diameters for precise fitment
• Black color for standard OEM appearance
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Compatible with Audi A4 and A4 Quattro radiator coolant systems

Detailed Product Description

The Dayco Curved Radiator Hose 72786 is a branched hose made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. This hose features three connection points with inside diameters of 1 1/4 inches for both End 1 and End 2, and 3/8 inch for End 3, allowing it to integrate seamlessly into the cooling system of Audi A4 and A4 Quattro vehicles. The outside diameters vary accordingly to ensure a secure fit. The hose does not include a heat shield or protective sleeve, focusing on essential functionality within the cooling circuit. Its trunk height measures 12 inches, providing the necessary length and curvature for proper routing under the hood.

About the Curved Radiator Hose Product Line

Dayco's Curved Radiator Hose line is designed to offer precise fitment and durability for specific vehicle applications. This product line focuses on branched and curved hose configurations that accommodate complex cooling system layouts, such as those found in Audi A4 and A4 Quattro models. The 72786 part number represents a specialized hose within this line, engineered to meet strict SAE standards for coolant hoses.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Audi A4 and A4 Quattro
• Resolving coolant leaks caused by hose degradation
• Maintaining proper coolant flow and preventing overheating
• Addressing hose swelling or softening due to heat exposure
• Ensuring secure connections in branched cooling system layouts

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72786, ensure all connections are clean and free of debris. Verify that the hose routing matches the original configuration to avoid kinks or stress points. Use appropriate clamps to secure each end firmly, paying attention to the different inside diameters for proper fit. Since this hose does not include a heat shield or protective sleeve, avoid contact with sharp edges or excessive heat sources during installation.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72786 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, ensuring compliance with industry standards for coolant hoses. This part is built to provide reliable service life under normal operating conditions. Warranty details should be confirmed with the original equipment manufacturer or supplier.