Gates 51559 Radiator Coolant Hose - Upper

Reliable Radiator Coolant Hose for Lexus RX Models

The Gates Molded Coolant Hose 51559 is engineered to provide dependable cooling system performance for select Lexus vehicles. Designed specifically for Lexus RX350, RX350L, RX450h, and RX450hL models, this radiator coolant hose ensures proper coolant flow and system integrity.

• Constructed from durable EPDM material for heat and chemical resistance
• Consistent inside diameter of 1.31 inches (33 mm) on both ends
• Centerline length of 19.7 inches (500 mm) for precise fitment
• Non-spring design for reliable coolant transfer without obstruction
• Compatible with Lexus RX350, RX350L, RX450h, and RX450hL models

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering hoses that are pre-formed to exact specifications, reducing installation time and improving fitment accuracy. This product line uses high-quality EPDM rubber, which offers resistance to heat, ozone, and coolant chemicals, making it suitable for modern vehicle cooling systems. The 51559 part is a molded hose designed to meet the precise requirements of Lexus RX series vehicles, ensuring consistent performance and durability.

Product Details and Specifications

This radiator coolant hose features an inside diameter of 1.31 inches (33 mm) on both ends, providing uniform coolant flow. The centerline length measures 19.7 inches (500 mm), allowing it to fit seamlessly within the cooling system layout of compatible Lexus models. The hose does not contain any internal springs, which helps maintain unobstructed coolant circulation. Made from EPDM, the hose resists degradation from heat and coolant fluids, contributing to long service life.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Lexus RX350 and RX450h series
• Resolving coolant leaks caused by hose deterioration or damage
• Preventing overheating issues related to compromised coolant flow
• Maintaining proper engine temperature regulation in hybrid and non-hybrid Lexus RX models
• Ensuring reliable coolant system performance during routine maintenance

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 51559, ensure the engine is cool to avoid burns or injury. Verify the hose orientation matches the original part to maintain proper coolant flow. Use appropriate clamps to secure the hose ends without over-tightening, which could damage the hose. Inspect adjacent components for wear or leaks during replacement to maintain overall cooling system integrity.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 51559 to meet or exceed OEM specifications for fit, form, and function. The EPDM material and molded design contribute to durability and resistance to common coolant system stresses. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in materials and workmanship.