Gates 23478 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 23478

The Gates Molded Coolant Hose part number 23478 is designed specifically for select Lexus models including the GS460, IS F, LS460, and LS600h. Engineered from durable EPDM material, this radiator coolant hose ensures reliable performance in your vehicle's cooling system.

• Constructed from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and durability
• Centerline length of 244 mm (9.6 inches) for exact application
• Consistent inside diameter of 1.45 inches (37 mm) on both ends
• Does not contain a spring or quick connect fittings

Detailed Product Description

The Gates Molded Coolant Hose 23478 is part of the Molded Coolant Hose product line, which focuses on delivering hoses with precise molded shapes to match OEM specifications. This eliminates the need for bending or shaping during installation, reducing the risk of leaks or premature failure. Made from EPDM, the hose offers excellent resistance to heat, ozone, and coolant chemicals, making it suitable for the demanding environment of the engine bay.

With a centerline length of 244 mm (9.6 inches) and an inside diameter of 1.45 inches (37 mm) on both ends, this hose is engineered to fit seamlessly in the cooling system of Lexus GS460, IS F, LS460, and LS600h models. The absence of springs and quick connect fittings simplifies the design, focusing on a secure, molded fit.

Applications and Common Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Lexus GS460, IS F, LS460, and LS600h
• Prevention of coolant leaks caused by hose degradation
• Restoration of proper coolant flow to maintain engine temperature
• Elimination of hose collapse or deformation under pressure
• Addressing overheating issues related to faulty coolant hoses

Installation Notes and Tips

Ensure the engine is cool before removing the old coolant hose to avoid burns. Verify that the hose dimensions match the OEM specifications, particularly the 1.45 inch (37 mm) inside diameter and 244 mm (9.6 inch) length. Use appropriate clamps to secure the hose ends firmly without over-tightening, which could damage the hose. Inspect surrounding components for wear or damage during installation.

Quality Assurance and Warranty

Gates Molded Coolant Hose 23478 is manufactured to meet strict quality standards for durability and performance. The EPDM material and molded construction provide resistance to heat, pressure, and chemical exposure typical in automotive cooling systems. While specific warranty details are not provided, Gates products generally adhere to industry standards for reliability and longevity.