Gates 51879 Radiator Coolant Hose - Lower

Reliable Radiator Coolant Hose for Lexus NX200t and NX300

The Gates Molded Coolant Hose 51879 is engineered to provide dependable cooling system performance for Lexus NX200t and NX300 models. Designed with durable EPDM material, this radiator coolant hose ensures consistent heat resistance and flexibility under various operating conditions.

• Constructed from high-quality EPDM for heat and chemical resistance
• End 1 inside diameter: 1.31 inches (33 mm)
• End 2 inside diameter: 1.46 inches (37 mm)
• Centerline length of 10.36 inches (263 mm) for precise fitment
• Does not contain a spring, ensuring smooth coolant flow

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 is designed to meet or exceed OEM standards, providing reliable coolant transfer and resistance to common automotive fluids and temperature extremes.

Detailed Product Description

The Gates Molded Coolant Hose part number 51879 is specifically designed for use in the cooling systems of Lexus NX200t and NX300 vehicles. Made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals, this hose maintains integrity under demanding engine conditions. The hose features two different inside diameters—1.31 inches (33 mm) on one end and 1.46 inches (37 mm) on the other—allowing for a secure connection between varying radiator and engine components. With a centerline length of 10.36 inches (263 mm), it fits precisely within the designated routing path, ensuring optimal coolant flow without kinks or leaks.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Lexus NX200t and NX300
• Prevention of coolant leaks that can lead to engine overheating
• Restoration of proper coolant flow to maintain engine temperature regulation
• Addressing hose swelling or softening caused by prolonged heat exposure
• Eliminating hose collapse or blockage that restricts coolant circulation

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns or coolant spills. Verify that the hose routing matches the original path to prevent interference with other engine components. Use appropriate clamps to secure each end of the hose firmly, but avoid overtightening which can damage the hose. Inspect adjacent components for wear or damage during installation to maintain overall cooling system integrity.

Quality Assurance and Warranty

Gates Molded Coolant Hose 51879 is manufactured to meet strict quality standards, ensuring durability and performance consistent with OEM requirements. The EPDM material provides resistance to heat, ozone, and coolant chemicals, contributing to a longer service life. Warranty coverage details should be confirmed with the product documentation or manufacturer.