Dayco 73063 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 73063

The Dayco Curved Radiator Hose 73063 is designed specifically for Volkswagen CC, Passat, and Passat CC models. Engineered with durable EPDM material and a dual inside diameter design, this radiator coolant hose ensures reliable performance in your vehicle's cooling system.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black color with protective sleeve for added durability
• Dual inside diameters: 1 1/4 inch and 1 7/16 inch for precise fitment
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Compatible with Volkswagen CC, Passat, and Passat CC models

About the Dayco Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on delivering hoses with precise bends and dual inside diameters to accommodate specific vehicle cooling system layouts. This product line emphasizes durability and fitment accuracy, making it suitable for applications requiring a curved hose with protective features such as a built-in sleeve. The 73063 part is a representative example designed to meet OEM standards for Volkswagen vehicles.

Detailed Product Description

The Dayco 73063 radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. This hose features a dual inside diameter design, with one end measuring 1 1/4 inches and the other 1 7/16 inches, ensuring a secure and leak-free connection between different components of the cooling system. The black hose includes a protective sleeve to guard against abrasion and premature wear, although it does not contain a heat shield. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant applications. The hose has a trunk height of 23, which corresponds to its curved shape and fitment requirements.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Volkswagen CC, Passat, and Passat CC
• Resolving coolant leaks caused by hose degradation or improper fit
• Preventing overheating due to compromised coolant flow
• Addressing hose swelling or softening from chemical exposure
• Maintaining proper coolant system pressure and flow with correct hose dimensions

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to avoid burns. Verify the hose ends match the specified inside diameters of 1 1/4 inch and 1 7/16 inch for proper fitment. Inspect hose clamps and replace if necessary to secure the hose firmly. The protective sleeve on the Dayco 73063 hose helps reduce abrasion during installation, but care should be taken to avoid kinking the hose. Proper routing according to Volkswagen specifications will ensure optimal coolant flow and hose longevity.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 73063 to meet stringent SAE specifications, including J20R4 Class D-1 and J1684 Type EC, ensuring compatibility and durability in automotive cooling systems. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability, supporting long-term vehicle performance.