Dayco 72274 Radiator Coolant Hose - Upper - Filler Neck To Engine

Overview of Dayco Curved Radiator Hose 72274

The Dayco Curved Radiator Hose 72274 is designed specifically for Buick Allure, LaCrosse, and Rendezvous models. Engineered to meet SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, this dual inside diameter hose ensures reliable coolant flow and temperature regulation in your vehicle's cooling system.

• Constructed from durable EPDM material for heat and chemical resistance
• Black color for standard OEM appearance
• Dual inside diameters: 1 5/16 inches and 1 17/32 inches for precise fitment
• Trunk height of 7 inches to accommodate curved routing
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Compatible with Buick Allure, LaCrosse, and Rendezvous models

Detailed Product Description

The Dayco Curved Radiator Hose 72274 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 5/16 inches and the other 1 17/32 inches, allowing for a secure and precise connection between different radiator components. The curved shape and 7-inch trunk height facilitate proper routing within the engine bay, reducing stress and potential kinks. This hose does not include a heat shield or protective sleeve, focusing on essential durability and fitment. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, ensuring it meets industry standards for coolant hoses.

Applications and Common Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Buick Allure, LaCrosse, and Rendezvous
• Prevention of coolant leaks caused by hose degradation or improper fit
• Restoration of proper coolant flow to maintain engine temperature regulation
• Elimination of hose collapse or kinking due to improper hose shape or size
• Addressing overheating issues related to faulty radiator hose connections

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to avoid burns. Verify the hose ends match the radiator and engine fittings by checking the inside diameters of 1 5/16 inches and 1 17/32 inches. Properly secure hose clamps to prevent leaks and avoid overtightening, which can damage the hose. Inspect surrounding components for wear or damage during installation. This hose is designed for direct replacement on compatible Buick models without modification.

Quality Assurance

Dayco manufactures the Curved Radiator Hose 72274 to meet strict SAE standards, ensuring reliable performance and durability. The EPDM material provides resistance to heat and coolant chemicals, contributing to a longer service life. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and testing protocols to maintain consistent product integrity.