Ford Transit Custom Mk2 Air Cleaner Hose Pipe Line 2.0 EcoBlue PZ31-9R504-AC

Ford Transit Custom Mk2 Air Cleaner Hose Pipe Line 2.0 EcoBlue is an original intake system component from the Hoses, pipes and lines group, designed for EcoBlue diesel engines. Thanks to its factory origin, it ensures proper airflow, stable engine operation, and compliance with Ford manufacturer requirements.

Specifications and technical data

• SKU: 2678391
• Mark: Ford
• Condition: Used
• OEM Part Number: 2678391
• Substitutable numbers: 2678391, PZ31-9R504-AC, PZ319R504AC
• Part type: Hose
• Category: Hoses, Lines & Pipes

Purpose and function of the air hose

The air hose in the Transit Custom Mk2 model is responsible for the controlled transport of air within the 2.0 EcoBlue engine intake system. A correctly selected component of this type contributes to:

• stable pressure in the intake system,
• proper operation of the turbocharging and combustion system,
• maintaining the correct torque characteristics,
• reducing power drops resulting from leaks or deformation of the hose. By using an original Ford component, the correct flow geometry is maintained, which supports even air supply to the engine and facilitates the diagnosis of potential faults in the future.

Construction and fitment for Ford Transit Custom Mk2

The hose has been designed specifically for 2.0 EcoBlue units in the Ford Transit Custom Mk2, which translates into a precise fit for factory mounts and other intake system components. The properly selected shape and connection diameters reduce the risk of stress, twisting, and leaks during engine operation. The original design of the hose facilitates installation in the engine bay – the component works with factory clamps, brackets, and other hoses, which allows for a clean installation layout and simplifies subsequent service procedures.

Benefits of using an original Ford hose

Using an air hose from the Ford brand allows you to maintain engine performance parameters at the level intended by the vehicle manufacturer. Key advantages include:

• maintaining the factory airflow characteristics in the 2.0 EcoBlue engine,
• reducing the risk of failures resulting from mismatched aftermarket replacements,
• material consistency with other intake system components,
• easier part identification thanks to assignment to a specific OEM reference and interchangeable numbers. For fleet users and workshops specializing in servicing the Ford Transit Custom Mk2, choosing an original air hose means greater operational predictability and fewer complaints related to intake system leaks.

Product condition and service application

The offered hose belongs to the group of used parts, which makes it an attractive solution for optimizing repair costs, especially in heavily used vehicles. This type of component is particularly useful in situations where a quick replacement of a damaged hose is necessary after cracking, abrasion, or deformation caused by overheating. In workshop practice, the air hose for the 2.0 EcoBlue engine will prove effective both for standard replacement of a damaged element and for comprehensive work related to the intake system, such as sealing connections, checking the condition of the turbocharger, or diagnosing power drops.

Compatibility and part selection

The element belongs to the Hoses, pipes and lines category, which facilitates its identification in catalogs and part selection systems. The presence of the OEM part number and interchangeable numbers in the technical specification allows for precise matching of the hose to a specific Ford Transit Custom Mk2 configuration with a 2.0 EcoBlue engine, without the need to use compromise replacements. If you are planning a comprehensive repair or upgrade of the intake system area in your Ford and need other elements from the same group, such as flexible intake sections, rigid pipes, or additional breather hoses, check out the available parts in the Ford Hoses, pipes and lines category.

Additional information and selection support

When selecting used intake system components, it is worth paying attention to their origin, compliance with technical documentation, and actual operational condition. To better assess when purchasing a used air hose is justified and when it is better to reach for a new component, the following guide article may be helpful: Renovation and repair of German cars – which used parts are worth buying and which should be avoided?. Thanks to a conscious approach to choosing parts from the Hoses, pipes and lines category, you can effectively balance the service costs of the Ford Transit Custom Mk2 with the requirements for reliability and durability of the intake system in the 2.0 EcoBlue engine.