Ford Focus ST Mk2 Engine Fuel Vapour Pipe Hose Line 2.5 3M51-9D289-FC

Ford Focus ST Mk2 Engine Fuel Vapour Pipe Hose Line 2.5 is a fuel system component designed for the petrol engine, responsible for the safe discharge and circulation of fuel vapours. This original Ford component ensures proper integration with the 2.5 engine system, stable operation, and compliance with factory specifications. It is a practical choice for repairs when you want to maintain a build consistent with the manufacturer's requirements.

Specifications and technical data

• SKU: 3M51-9D289-FC
• Mark: Ford
• Condition: Used
• OEM Part Number: 3M51-9D289-FC
• Substitutable numbers: 1368623, 3M51-9D289-FC, 3M519D289FC
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and function of the fuel vapour pipe

The described pipe belongs to the Pipes, hoses and lines category and operates within the fuel system of the 2.5 petrol engine in the Ford Focus ST Mk2. Its task is the controlled routing of fuel vapours between system components to limit uncontrolled vapour leakage and support the proper operation of the fuel supply system.

A properly selected fuel vapour pipe helps maintain:

• stable operating conditions for the petrol engine,
• correct vapour circulation within the engine bay,
• consistency with the factory Ford fuel system.

Benefits of using an original Ford component

Using an original fuel vapour pipe in the Ford Focus ST Mk2 allows you to maintain the factory installation routing and ensures a perfect fit for mounts and connectors in the engine bay. This reduces the risk of leaks, material stress, or incorrect positioning of the pipe relative to other components.

The main advantages of this solution include:

• compliance with the manufacturer's design – the pipe is designed specifically for the 2.5 engine in the ST version,
• easier installation without the need for system modifications,
• consistency with other Ford fuel system components.

Operating characteristics in a petrol engine

The pipe is adapted for use with a petrol supply system, where resistance to fuel vapours and maintaining proper flow under variable engine operating conditions are essential. Proper fuel vapour circulation supports even engine performance and helps reduce undesirable phenomena associated with vapour accumulation in the engine bay.

A well-chosen fuel vapour pipe is a component that influences:

• maintaining correct operating parameters of the 2.5 unit,
• fuel system stability during dynamic driving,
• safe vapour discharge within the engine area.

Condition, installation, and service application

The offered pipe comes from dismantling, making it a practical service solution for repairs and replacements in the Ford Focus ST Mk2 with a 2.5 petrol engine. It is a good choice when you want to maintain the original geometry of the system and compatibility with factory installation components.

Before installation, a standard visual inspection and verification of flow are recommended so that the pipe can work seamlessly with other fuel system components. A properly installed component helps maintain predictable engine behaviour and reduces the risk of faults related to fuel vapours.

System expansion – related 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 fuel lines, vacuum hoses, or breather pipes, check out the available parts in the Ford pipes, hoses and lines category.