Dayco 73143 Radiator Coolant Hose - Lower - Pipe To Thermostat Housing

Durable Radiator Coolant Hose for Mazda 6

The Dayco Curved Radiator Hose 73143 is engineered to provide reliable coolant flow for Mazda 6 vehicles. Designed with precision, this radiator coolant hose ensures optimal fit and performance in your vehicle's cooling system.

• Constructed from EPDM material for heat and chemical resistance
• Black color with a protective sleeve for added durability
• Dual inside diameter design: 1 1/4 inch and 1 3/8 inch ends
• Outside diameters of 1 5/8 inch and 1 3/4 inch for secure connections
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Trunk height of 10 1/2 inches for proper routing

About the Dayco Curved Radiator Hose Line

The Curved Radiator Hose line by Dayco focuses on delivering hoses that accommodate specific vehicle cooling system geometries. This product line features hoses with precise bends and dual inside diameters to ensure a secure fit and efficient coolant flow. The 73143 part is part of this line, designed to meet the exacting requirements of Mazda 6 cooling systems.

Product Details and Specifications

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in automotive cooling systems. The hose is black and includes a protective sleeve to guard against abrasion and external damage. It features a dual inside diameter design, with one end measuring 1 1/4 inches and the other 1 3/8 inches, allowing for compatibility with different radiator and engine fittings. The outside diameters are 1 5/8 inches and 1 3/4 inches respectively, ensuring a tight seal. The hose meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, confirming its compliance with industry standards for coolant hoses.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Mazda 6 models
• Resolving coolant leaks caused by hose degradation or damage
• Preventing overheating issues due to compromised coolant flow
• Maintaining proper coolant system pressure and circulation
• Ensuring compatibility with factory cooling system components

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 73143, ensure the hose is routed correctly to avoid kinks or sharp bends that could restrict coolant flow. Verify that the dual inside diameters match the corresponding radiator and engine fittings for a secure connection. Use appropriate clamps to secure the hose ends and check for leaks after installation. The protective sleeve should be positioned to guard areas prone to abrasion.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 73143 to meet strict SAE specifications, ensuring durability and performance. While specific warranty details are not provided, Dayco products typically adhere to industry quality standards, offering reliable service life when installed and maintained properly.