Dayco 72073 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 72073

The Dayco Curved Radiator Hose 72073 is designed specifically for Lexus Land Cruiser and Toyota LX470 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 system integrity.

• Constructed from durable EPDM material for heat and chemical resistance
• Dual inside diameters: 1 7/16 inches and 1 5/8 inches for precise fitment
• Black color for standard OEM appearance
• Curved design tailored for specific radiator connections
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Trunk height of 22 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 dual inside diameters to accommodate complex radiator and coolant system layouts. This product line is engineered to maintain coolant flow efficiency and durability under typical operating temperatures and pressures found in Lexus Land Cruiser and Toyota LX470 vehicles.

Product Description and Specifications

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in automotive cooling systems. The dual inside diameter design (1 7/16 inches on one end and 1 5/8 inches on the other) allows for a secure and leak-free connection between different sized radiator fittings. The hose is black in color and does not include a heat shield or protective sleeve, which is typical for this type of radiator hose. Its curved shape and 22-inch trunk height ensure proper fitment and routing within the engine bay of compatible Lexus and Toyota models.

Compatible Vehicles and Common Applications

• Replacement radiator coolant hose for Lexus Land Cruiser models
• Compatible with Toyota LX470 cooling systems
• Addresses coolant leaks caused by cracked or worn hoses
• Resolves overheating issues related to coolant flow restrictions
• Prevents coolant contamination from hose degradation

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72073, ensure the engine is cool to avoid burns. Verify the hose orientation matches the original part due to its curved design and dual diameters. Use appropriate clamps to secure both ends firmly and check for leaks after installation. Inspect surrounding components for wear or damage during replacement 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 standards, ensuring compliance with industry requirements for coolant hoses. The EPDM material and construction provide durability under normal operating conditions. Warranty details should be confirmed with the original equipment manufacturer or distributor.