Ford Transit Connect 1.8 TDCi Thermostat Coolant Housing Diesel 2S4Q-9K478-AD

Ford Transit Connect 1.8 TDCi Thermostat Coolant Housing is a component from the Thermostats and housings category, designed for the cooling system of a diesel engine. It is responsible for the stable mounting of the thermostat and the proper flow of coolant, which directly affects the operating temperature of the power unit and its durability. This used original Ford component is a practical solution for servicing or repairing the cooling system in models with a 1.8 TDCi diesel engine.

Specifications and technical data

• SKU: 2S4Q9K478AD
• Mark: Ford
• Condition: Used
• OEM Part Number: 2S4Q9K478AD
• Substitutable numbers: 2S4Q9K478AD, 2S4Q-9K478-AD, 1198060
• Fuel type: Diesel
• Category: Thermostats & Housings

Purpose and role in the cooling system

The thermostat housing in the 1.8 TDCi diesel engine is responsible for the precise routing of coolant between the engine block, radiator, and system hoses. A properly selected part helps maintain a stable operating temperature, which reduces the risk of the power unit overheating or running too cold. In the event of leaks or damage to the housing, replacing it with a functional unit is crucial for the safe operation of the vehicle.

Benefits of using an original Ford housing

Using an original thermostat housing dedicated to a Ford with a diesel engine ensures:

• precise fit to the cooling system ports and connectors,
• proper cooperation with the thermostat and temperature sensors,
• stable maintenance of connection tightness with hoses,
• preservation of the factory operating parameters of the 1.8 TDCi diesel engine.

As a result, the cooling system operates predictably, and the engine reaches its proper operating temperature, which promotes efficiency and reduces component wear. Choosing an original element from the Thermostats and housings category minimizes the risk of installation problems and leaks.

Application in diesel engines

Diesel engines are particularly sensitive to deviations in operating temperature, which is why a properly selected thermostat housing is essential for their durability. In the 1.8 TDCi unit, proper coolant circulation affects:

• stable combustion conditions in the diesel engine,
• maintenance of optimal engine oil viscosity,
• reduction of thermal loads on the cylinder head and block,
• more predictable operation of the interior heating system.

Selecting the right thermostat housing is therefore an important element of comprehensive cooling system maintenance in a Ford with a diesel engine.

Used condition – a practical service solution

A used thermostat housing is a sensible choice when the cost-to-functionality ratio is important, while maintaining the original Ford design. This type of part allows for an economical repair of the cooling system without the need to resort to replacements with uncertain fitment. For many users, this is a way to keep the vehicle in good working order while keeping service costs under control.

Cooling system service expansion and the ecological aspect

When working on the cooling system, it is worth considering checking other elements, such as hoses, clamps, or the thermostat itself, to reduce the number of service downtimes. Choosing a used thermostat housing also aligns with the idea of reusing parts, which reduces waste and environmental impact. If you want to better understand how such decisions affect ecology and your budget, check out the article Eco-driving: discover the benefits of used car parts, which discusses the advantages of automotive recycling in more detail.

If you are planning a comprehensive repair or upgrade of the engine area in your Ford and need other items from the same group, such as thermostat housings, thermostat bodies, or mounting elements, check out the available parts in the Ford Thermostats and housings category.