Ford Transit Connect 1.8 TDCi Coolant Thermostat Water Hose Pipe XS4Q8K579CF

The Ford Transit Connect 1.8 TDCi Water Hose Pipe XS4Q8K579CF is an original cooling system component designed for precise coolant flow management in diesel engines. With its factory-set geometry and specific fit for the engine unit, it ensures stable fluid circulation and supports safe engine thermal operation. This is a practical solution for users seeking a reliable, used component with preserved functionality.

Specifications and technical data

• SKU: XS4Q8K579CF
• Mark: Ford
• Condition: Used
• OEM Part Number: XS4Q8K579CF
• Substitutable numbers: XS4Q8K579CF, XS4Q-8K579-CF
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The presented water hose belongs to the Cooling System Hoses and Pipes category, responsible for transporting coolant between key engine and auxiliary components. A properly shaped water pipe maintains proper circulation path, minimizes the risk of kinks, and reduces localized overheating of parts.

In conjunction with other cooling system elements, this hose helps maintain a stable operating temperature for the 1.8 TDCi unit, which translates to:

• more even heat dissipation from the engine block,
• reduced thermal stress on gaskets and aluminum components,
• more predictable thermostat and radiator operation.

Construction and Fit for Ford Transit Connect

The Water Hose for Ford Transit Connect 1.8 TDCi is designed with specific rigidity and flexibility to maintain seal integrity under variable thermal loads and vibrations typical for commercial vehicles. The hose's factory design allows for correct coolant routing within the engine bay, maintaining required clearances from other components.

The appropriate shaping of its outlets and working diameters ensures seamless cooperation with original clamps and connectors. This makes installation predictable and reduces the risk of leaks due to component mismatch.

Benefits of Using an Original Ford Hose

Using a component from the Ford brand allows for the preservation of flow parameters intended by the vehicle manufacturer. In practice, this means:

• maintaining the designed internal diameter and flow cross-section,
• correct routing of the hose relative to the engine and body,
• reduced risk of collision with other auxiliary components during engine operation.

For workshops and fleet users, this also simplifies diagnostics – the cooling system behaves according to factory specifications, making it easier to assess potential faults.

Condition and Service Application

The offered hose is a used component, making it an attractive solution for budget repairs or temporary replacement of cooling system parts. It can be used for standard replacement of a worn hose as well as for more extensive service work involving engine auxiliary component removal.

Replacing the water hose is recommended when the existing component shows signs of material aging, cracks, leaks, or deformations affecting coolant flow. Using a properly selected hose helps restore system integrity and reduce the risk of engine overheating.

Related Cooling System Components and Additional Information

If you are planning a comprehensive repair or upgrade of the cooling system area in your Ford and need other parts from the same category, such as additional hoses or water pipes, check the available parts in the Ford Cooling System Hoses and Pipes category.

To better understand how operating conditions affect the durability of hoses, radiators, and fans, it is worth reading the guide describing the impact of high temperatures on the entire cooling system and the potential savings from using used components – details can be found in the article “Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings”.