Ford S-Max Intercooler Air Intake Duct Pipe Hose Tube Line 1751358

Ford S-Max Intercooler Air Intake Duct Pipe Hose Tube Line is a component from the Intercoolers group, responsible for the efficient supply of air to the turbocharging system in Ford vehicles. This used air intake duct allows for an economical yet technically sound repair of the charge air cooling system, while maintaining factory flow characteristics.

Specifications and technical data

• SKU: 1751358
• Mark: Ford
• Condition: Used
• OEM Part Number: 1751358
• Substitutable numbers: 1751358, AG91-6C646-CD, AG916C646CD
• Part type: Intercooler Pipe
• Category: Intercoolers

Purpose and function in the turbocharging system

The intercooler air intake duct in the Ford S-Max is responsible for directing compressed air between the turbocharger and the intercooler. A correctly selected component:

• ensures stable, airtight airflow across the entire engine load range,
• reduces pressure drops in the turbocharging system,
• supports the maintenance of the proper intake air temperature, which translates into the smooth operation of the power unit.

By maintaining the correct cross-section and geometry, the duct works with the intercooler to ensure the turbocharging system can operate under stable conditions, without unwanted flow turbulence.

Benefits of using an original Ford duct

The original component from the Intercoolers group ensures a perfect fit for factory mounts and brackets in the Ford S-Max engine bay. In practice, this means:

• easier installation without the need for system modifications,
• correct positioning of the duct relative to other components,
• preservation of the airflow path designed by the manufacturer.

Using this component allows for reduced service costs while maintaining compliance with factory specifications, which is particularly important for vehicles used intensively or with high fleet mileage.

Condition, verification, and preparation for installation

The air intake duct is offered as a used part, which means it has been removed from a vehicle and verified for suitability for further use. For such components, the following are key:

• absence of cracks and leaks in the working area,
• retention of material flexibility in bend zones,
• good surface condition at connection points with clamps and nozzles.

A duct prepared in this way can be used as a replacement for a worn, perished, or mechanically damaged part, restoring the proper airtightness of the intake system.

Application in service practice

Replacing the intercooler air intake duct is recommended, among other things, when symptoms such as power loss, whistling or hissing under load, visible oil leaks at connections, or boost pressure-related errors appear. Using an original component from disassembly allows you to:

• restore correct boost parameters,
• minimize the risk of further leaks,
• maintain system consistency with other intake components.

For workshops and individual users, this is a cost-effective and technically predictable solution based on a genuine Ford part.

Related air cooling system components

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 intake hoses, charge air coolers, or connection nozzles, check out the available parts in the Ford Intercoolers category.

To better plan the service of your car's air and fluid cooling system, it is worth checking out practical tips on operation in high temperatures – they are discussed in detail in the article "Summer heat vs. cooling system: used radiators and fans as a guarantee of savings", which helps you consciously balance savings with the technical condition of your vehicle.