Ford Transit Mk8 Custom Air Intake Pipe Hose 2.0 EcoBlue GK31-9R504-AG

Ford Transit Mk8 Custom Air Intake Pipe Hose 2.0 EcoBlue is an original air intake system component designed for the EcoBlue diesel engine. Thanks to its factory geometry and precise fitment within the engine bay, it ensures stable airflow management and proper cooperation with other intake components. This used OEM part is a sensible choice for maintenance when you prioritize reliable fitment and the preservation of factory performance parameters.

Specifications and technical data

• SKU: GK31-9R504-AG
• Mark: Ford
• Condition: Used
• OEM Part Number: GK31-9R504-AG
• Substitutable numbers: GK31-9R504-AG, GK319R504AG, 2520039
• Part type: Pipe
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The presented air intake hose is part of the air supply system in the Ford Transit Mk8 Custom with the 2.0 EcoBlue unit. It is responsible for the airtight and directional delivery of air to subsequent intake components, which influences:

• engine stability across the full load range,
• correct boost pressure and airflow values,
• maintenance of proper combustion parameters,
• reduction of pressure drops in the intake system. By maintaining the factory shape and cross-sectional diameters, the intake pipe supports proper cooperation with the turbocharger, intercooler, and air filter housing, which is crucial for the durability of the EcoBlue unit.

Construction and fitment for Ford Transit Mk8 Custom

As an element from the Lines, hoses, and pipes category, this intake pipe was designed specifically for the engine bay geometry of the Transit Mk8 Custom. Properly profiled sections, factory mounting points, and ends tailored for clamps and connectors minimize the risk of installation stress and leaks. Original manufacturing ensures:

• compatibility with factory routing of harnesses and other lines,
• easier installation without the need for modifications,
• maintenance of manufacturer-specified clearances from heating and moving parts.

Characteristics of the used component

The offered air intake hose comes from dismantling, which means it is an original Ford part with preserved geometry and intended function. In practice, this allows for:

• maintaining factory fitment with other components,
• avoiding fitment issues typical of some aftermarket replacements,
• economical restoration of intake system efficiency during service repairs. If you are considering a choice between a used OEM component and a cheap replacement, it is worth checking out our guide Why original parts from dismantling fit better than cheap equivalents, which discusses the differences in fitment and durability in detail.

Benefits of using an original intake pipe

Using this intake pipe in a Ford Transit Mk8 Custom 2.0 EcoBlue helps maintain the consistency of the entire air supply system. The main benefits include:

• Factory fitment – no need for modifications, faithful reproduction of the hose routing in the engine bay.
• Stable engine performance – proper airflow promotes smooth operation of the power unit.
• Reduced risk of leaks – properly selected diameters and ends work with original clamps and connectors.
• Consistency with other intake elements – compatibility with factory Ford components facilitates diagnostics and future repairs.

Expansion and service of the Ford intake system

If you are planning a comprehensive repair or upgrade of the engine area in your Ford and need other elements from the same group, such as vacuum lines, intake hoses, or breather pipes, check out the available parts in the Ford lines, hoses, and pipes category.