Dayco 72345 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 72345

The Dayco Curved Radiator Hose 72345 is designed specifically for Chevrolet and GMC vans, including Express 1500, 2500, 3500, and Savana 1500, 2500, 3500 models. This radiator coolant hose is engineered to meet SAE specifications, ensuring reliable performance in your vehicle's cooling system.

• Constructed from durable EPDM material for heat and chemical resistance
• Black color with a curved design for precise fitment
• Inside diameter of 1 5/16 inches on both ends for consistent flow
• Includes a protective sleeve to guard against abrasion
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Trunk height measures 28 1/2 inches for proper routing

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and shapes to match OEM configurations. This ensures a secure and leak-free connection within the cooling system. The 72345 part number is part of this line, offering a tailored fit for Chevrolet and GMC Express and Savana vans, maintaining proper coolant flow and system integrity.

Technical Description and Attributes

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, which helps extend hose life. Both ends have an inside diameter of 1 5/16 inches, making it a single inside diameter hose suitable for direct replacement. The hose includes a protective sleeve to reduce wear from contact with other engine components, although it does not contain a heat shield. The trunk height of 28 1/2 inches allows for proper installation and routing within the engine bay.

Applications and Common Issues Addressed

• Replacement for cracked or leaking radiator coolant hoses in Chevrolet Express and GMC Savana vans
• Prevents coolant leaks that can cause engine overheating
• Addresses hose deterioration due to heat and chemical exposure
• Restores proper coolant flow and pressure within the cooling system
• Eliminates abrasion damage with the included protective sleeve

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns. Verify that the hose routing matches the original configuration to prevent kinks or interference with other components. Use appropriate clamps to secure the hose ends firmly. Inspect surrounding components for wear or damage during installation to maintain overall cooling system integrity.

Quality Assurance and Warranty

Dayco manufactures this radiator hose to meet SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, ensuring compliance with industry standards for coolant hoses. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to maintain durability and performance in demanding automotive environments.