Dayco 71538 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 71538

The Dayco Curved Radiator Hose 71538 is designed specifically for Lexus LS400 and LS430 models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance in your vehicle's cooling system.

• Material: EPDM for heat and chemical resistance
• Color: Black
• End 1 Inside Diameter: 1 7/16 inches
• End 2 Inside Diameter: 1 7/16 inches
• Hose Type: Single inside diameter hose
• Meets SAE specifications: SAE J20R4 Class D-1 and SAE J1684 Type EC
• Trunk Height: 19 inches
• Does not include heat shield or protective sleeve

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing precision-engineered hoses that match the specific contours and requirements of vehicle cooling systems. This product line emphasizes durability and compliance with SAE standards, ensuring compatibility and performance for applications such as the Lexus LS400 and LS430. The curved design facilitates proper fitment and efficient coolant flow within the engine bay.

Product Description and Specifications

The Dayco 71538 radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 7/16 inches, making it a single inside diameter hose suitable for direct replacement. The hose does not include additional heat shielding or protective sleeves, which is consistent with many OEM-style radiator hoses. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, confirming its suitability for automotive coolant systems. The trunk height of 19 inches supports proper routing within the engine compartment of compatible Lexus models.

Compatible Vehicles and Common Applications

• Replacement radiator coolant hose for Lexus LS400
• Replacement radiator coolant hose for Lexus LS430
• Addresses coolant leaks caused by hose wear or cracking
• Resolves overheating issues related to compromised radiator hoses
• Prevents coolant loss from deteriorated or swollen hoses

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71538, ensure the engine is cool to avoid burns or injury. Verify that the hose diameter matches the vehicle’s radiator and engine fittings. Use appropriate clamps to secure the hose ends and check for leaks after installation. It is recommended to inspect adjacent hoses and cooling system components during replacement to maintain overall system integrity.

Quality Assurance and Warranty

Dayco manufactures the 71538 radiator hose to meet industry SAE standards, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to manufacturer quality controls and are designed for durability in automotive cooling applications.