Dayco 72999 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 72999

The Dayco Curved Radiator Hose 72999 is designed specifically for the Lexus GX460, providing reliable coolant flow within the engine cooling system. Constructed from durable EPDM material, this black radiator coolant hose ensures consistent performance under varying temperature conditions.

• Material: EPDM for heat and chemical resistance
• Color: Black
• End 1 and End 2 Inside Diameter: 1 1/2 inches
• End 1 and End 2 Outside Diameter: 1 7/8 inches
• Hose Type: Single inside diameter hose
• Meets SAE specifications: SAE J20R4 Class D-1 and SAE J1684 Type EC
• Trunk Height: 14 1/2 inches
• Compatible with Lexus GX460 models

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses engineered to fit specific vehicle cooling systems with precision bends and dimensions. This product line emphasizes durability and compliance with SAE standards, ensuring that hoses like the 72999 maintain coolant flow efficiency and resist degradation over time in demanding automotive environments.

Detailed Product Description

The Dayco 72999 radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 1/2 inches and an outside diameter of 1 7/8 inches, making it a single inside diameter hose designed to fit securely within the Lexus GX460 cooling system. The hose does not include a heat shield or protective sleeve, focusing on a straightforward, reliable design. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, which define performance standards for coolant hoses, ensuring compatibility and safety in automotive applications.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Lexus GX460
• Prevention of coolant leaks caused by hose degradation
• Maintaining proper coolant flow to avoid engine overheating
• Addressing hose swelling or softening due to heat exposure
• Ensuring secure hose fitment to prevent disconnections under pressure

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72999, ensure the engine is cool to avoid burns or injury. Verify that the hose diameters match the vehicle’s radiator and engine fittings precisely. Use appropriate clamps to secure the hose ends firmly, preventing leaks. Inspect adjacent components for wear or damage during installation to maintain overall cooling system integrity.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72999 to meet stringent SAE standards, ensuring durability and performance in automotive cooling systems. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by the brand’s commitment to reliable automotive components.