Dayco 72379 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 72379

The Dayco Curved Radiator Hose 72379 is engineered to provide reliable coolant flow for select Buick, Chevrolet, GMC, and Saturn vehicles. Designed with durable EPDM material and a dual inside diameter configuration, this radiator coolant hose supports efficient engine cooling in models like the Acadia, Enclave, and Traverse.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black color with protective sleeve for added durability
• Dual inside diameters: 1 5/16" and 1 1/2" for precise fitment
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Compatible with Buick, Chevrolet, GMC, and Saturn SUVs including Acadia, Acadia Limited, Enclave, Outlook, and Traverse

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses with specific bends and dual inside diameters to accommodate complex cooling system layouts. This product line ensures proper coolant flow and fitment in vehicles requiring curved hose designs, such as the 72379, which features a protective sleeve to enhance hose longevity under demanding engine conditions.

Detailed Product Description

The Dayco 72379 radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The hose features a dual inside diameter design, measuring 1 5/16 inches on one end and 1 1/2 inches on the other, allowing it to connect different sized fittings securely. The outside diameters are 23/32 inches and 1 7/8 inches respectively. A protective sleeve is included to guard against abrasion and external damage, although this hose does not contain a heat shield. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, ensuring compliance with industry standards for coolant hoses.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Buick Acadia and Acadia Limited
• Resolving coolant leaks in Chevrolet Traverse cooling systems
• Addressing hose swelling or softening in GMC Enclave and Outlook models
• Maintaining proper coolant flow to prevent engine overheating
• Upgrading OEM hoses with a durable, protective sleeve design

Installation Notes and Tips

• Ensure engine is cool before removing the old radiator hose
• Check hose connections for corrosion or damage before installation
• Use appropriate clamps to secure the hose ends firmly
• Verify the hose routing matches the original to avoid kinks or interference
• Inspect the protective sleeve for any damage during installation

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72379 to meet strict SAE standards, providing reliable performance in compatible Buick, Chevrolet, GMC, and Saturn vehicles. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support durability and fitment accuracy.