Ford Mondeo Mk5 Automatic Gearbox Oil Cooler Cooling Unit Diesel DS78-7A095-AC

Ford Mondeo Mk5 Automatic Gearbox Oil Cooler Cooling Unit Diesel is a factory-original component of the automatic transmission oil cooling system, designed specifically for diesel engines. Thanks to its precise OEM construction, it ensures stable transmission operating temperatures, which translates into smoother gear shifts and reduced wear of the internal transmission components.

Specifications and technical data

• SKU: 5217372
• Mark: Ford
• Condition: Used
• OEM Part Number: 5217372
• Substitutable numbers: DS78-7A095-AC, DS787A095AC, 5217372
• Fuel type: Diesel
• Gearbox type: Automatic
• Part type: Oil Cooler
• Category: Oil Coolers & Lines

Purpose and function in the drivetrain

The presented oil cooling module is dedicated to Ford vehicles with diesel engines and automatic transmissions. Its task is to dissipate excess heat from the transmission oil, which stabilizes the transmission's operating parameters in city driving, highway conditions, and under higher loads.

A properly selected oil cooler in automatic cars is crucial for:

• maintaining the correct viscosity of the transmission oil,
• reducing the risk of transmission overheating,
• increasing the durability of friction and hydraulic components,
• maintaining consistent, predictable automatic transmission operation across the entire temperature range.

Benefits of using the original cooling module

The original oil cooling module for the Ford Mondeo Mk5 has been designed for a specific drivetrain configuration, ensuring:

• precise fitment to factory mounts and existing oil lines,
• correct oil and airflow in accordance with the manufacturer's specifications,
• compatibility with the factory engine and automatic transmission cooling system,
• stable operating parameters within typical diesel load and temperature ranges.

Choosing an original OEM solution is particularly important for automatic transmissions, where deviations from designed temperature values can lead to accelerated wear or improper transmission operation.

Characteristics of the used component

The offered oil cooling module is a used part sourced from dismantling, which allows for cost-effective repairs while maintaining the factory design. This type of solution is particularly beneficial when you want to:

• maintain the vehicle's original technical specifications,
• reduce service costs while using OEM parts,
• quickly replace a damaged or leaking cooling module.

A used OEM component represents a reasonable compromise between price and quality, especially in the case of advanced sub-assemblies working with an automatic transmission.

The importance of efficient oil cooling in an automatic transmission

In cars with diesel engines and automatic transmissions, the oil cooling system has a direct impact on:

• the service life of clutch plates and planetary gear sets,
• pressure stability in the hydraulic system,
• gear shift comfort across a wide range of loads,
• overall drivetrain reliability during long-term operation.

A functional oil cooling module helps keep transmission operating parameters within the limits set by the manufacturer, which is particularly important in heavily used Ford Mondeo Mk5 diesel models.

Cooling system expansion and additional materials

If you want to better understand how high temperatures affect the entire cooling system in your car and how to reasonably use pre-owned components, check out our guide Summer heat vs. cooling system – used radiators and fans as a way to save money, where you will find practical tips on operation and component selection.

For Ford owners planning transmission service and cost optimization while using OEM parts, the article Economical Ford operation and savings on mechanical repairs, which describes strategies for selecting original components, may also be helpful.

If you are planning a comprehensive repair or upgrade of the oil cooling area in your Ford and need other elements from the same group, such as additional cooling modules, oil lines, or connectors, check out the available parts in the Ford oil coolers and lines category.