Dayco 72122 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 72122

The Dayco Curved Radiator Hose 72122 is designed to provide reliable coolant flow in automotive cooling systems. Constructed from durable EPDM material, this dual inside diameter hose offers a precise fit for specific vehicle applications requiring a curved radiator coolant hose.

• Made from high-quality EPDM rubber for heat and chemical resistance
• Black color with a protective sleeve for added durability
• Dual inside diameters: 1 1/2 inch and 1 15/16 inch ends
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 15 inches for proper routing in engine bays
• Does not include a heat shield but features a protective sleeve

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and dual inside diameters to accommodate complex radiator and coolant system layouts. This product line is engineered to meet SAE standards for coolant hoses, ensuring compatibility with various vehicle cooling systems. The 72122 part number is part of this line, offering a tailored fit where straight hoses are insufficient.

Technical Description and Specifications

The Dayco 72122 radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The hose features two different inside diameters—1 1/2 inch on one end and 1 15/16 inch on the other—making it suitable for applications requiring a transition between hose sizes. The black hose includes a protective sleeve to guard against abrasion and wear, although it does not contain a heat shield. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it adheres to industry requirements for coolant hoses. With a trunk height of 15 inches, it is designed to fit specific routing paths in vehicle engine compartments.

Common Applications and Problem Solving

• Replacement of worn or cracked curved radiator hoses in cooling systems
• Addressing coolant leaks caused by hose degradation or improper fit
• Ensuring proper coolant flow in vehicles requiring dual inside diameter hoses
• Preventing overheating issues related to compromised radiator hoses
• Maintaining engine temperature regulation by restoring hose integrity

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72122, ensure the hose is routed without kinks or sharp bends that could restrict coolant flow. Verify that the hose ends match the radiator and engine fittings by checking the inside diameters of 1 1/2 inch and 1 15/16 inch. Use appropriate clamps to secure the hose and inspect for leaks after installation. The protective sleeve should be positioned to minimize abrasion from contact with other engine components.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72122 to meet stringent SAE specifications, ensuring durability and performance in automotive cooling systems. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability. For exact warranty information, consult the product documentation or manufacturer resources.