Dayco 73142 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 73142

The Dayco Curved Radiator Hose 73142 is designed specifically for Mazda 6 models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this dual inside diameter hose ensures a precise fit and long-lasting performance.

• Made from high-quality EPDM rubber for heat and chemical resistance
• Dual inside diameter design: 1 1/4 inch and 1 5/16 inch ends
• Black color for standard OEM appearance
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Outside diameters: 1 5/8 inch and 1 11/16 inch for secure connections
• Trunk height of 16 1/2 inches for proper routing in engine bay

Detailed Product Description

The Dayco Curved Radiator Hose 73142 is engineered to meet the cooling system requirements of Mazda 6 vehicles. Its EPDM construction offers excellent resistance to heat, ozone, and coolant chemicals, ensuring durability under demanding engine conditions. The hose features a dual inside diameter design, with one end measuring 1 1/4 inches and the other 1 5/16 inches, allowing for a precise and secure fit to the radiator and engine connections. The black color matches OEM specifications, maintaining the original look of the cooling system. This hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant applications.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and diameters to fit various vehicle cooling systems accurately. This product line is designed to replace factory hoses that require precise curvature and size to maintain proper coolant flow and prevent leaks. The 73142 part number is part of this line, offering a tailored fit for the Mazda 6 cooling system.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Mazda 6
• Prevention of coolant leaks caused by hose degradation
• Restoration of proper coolant flow to avoid engine overheating
• Addressing hose swelling or hardening due to heat exposure
• Ensuring secure connections with dual inside diameter ends for leak-free operation

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 73142, ensure the hose is routed correctly to avoid kinks or contact with moving engine parts. Verify that the dual inside diameter ends match the radiator and engine fittings for a secure seal. It is recommended to inspect hose clamps and replace them if necessary to maintain proper clamping force. Allow the engine to cool before removal and installation to prevent injury and damage.

Quality Assurance

Dayco manufactures the Curved Radiator Hose 73142 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 are known for consistent quality and reliability in OEM replacement parts.