Ford Focus Mk2 Air Filter Box Cleaner Housing 7M51-9600-AF

Visual condition of the part

The product shows signs of use visible in the photos.

Ford Focus Mk2 Air Filter Box Cleaner Housing is a factory air filter housing from the Air filter housings group, designed for the intake system in second-generation Ford Focus models. This component ensures stable seating of the filter element, proper airflow to the engine, and effective separation of contaminants from the intake air.

Specifications and technical data

• SKU: 7M51-9600-AF
• Mark: Ford
• Condition: Used
• OEM Part Number: 7M51-9600-AF
• Substitutable numbers: 7M51-9600-AF, 7M519600AF, 7M51-9600-AJ, 7M519600AJ, 1947921
• Category: Air Filter Housings

Purpose and function in the intake system

The air filter housing in the Ford Focus Mk2 is responsible for the airtight routing of air from the intake duct to the throttle or the engine's intake system. A properly selected and sealed housing:

• stabilizes the position of the air filter element,
• limits the ingress of dust and fine particles into the engine,
• minimizes pressure drops in the intake system,
• reduces intake air noise.

By maintaining the original geometry of the intake ducts, the housing supports the correct operation of the engine management system, which translates into stable performance and predictable throttle response.

Original origin and fitment

The presented housing is a component from the Ford brand, which means it retains factory mounting points and compatibility with the engine bay design of the Focus Mk2. This original part from the Air filter housings category ensures:

• secure fitment with stock brackets and supports,
• compatibility with stock intake hoses,
• no need for modifications or adjustments during installation.

As a result, installation is predictable, and the risk of leaks or improper positioning of the housing in the engine bay is minimized.

Condition of the component and service application

The air filter housing is offered as a used part, which allows for an economical replacement of a damaged or worn housing while maintaining the manufacturer's original specifications. This is a practical solution in situations where:

• the factory housing has cracked or lost its seal,
• clips, mounts, or connection ports have been damaged,
• replacement of the component is necessary after a collision or interference in the engine bay.

Using an original, used housing allows for maintaining proper airflow and system integrity without the need for aftermarket replacements with uncertain fitment.

Benefits of using an original air filter housing

Using this housing in a Ford Focus Mk2 provides a range of practical service and operational benefits:

• Stable engine operation – a properly guided airflow helps the ECU maintain correct mixture parameters.
• Engine protection – a sealed housing supports the efficiency of the filter element, limiting the ingress of contaminants.
• Factory fitment – no need to modify the intake installation, which simplifies assembly and future maintenance.

This solution is particularly beneficial for post-accident repairs, replacing damaged plastic components in the engine bay, and restoring the vehicle to a factory-like condition.

Expanding the intake system in your Ford

If you are planning a comprehensive repair or upgrade of the engine area in your Ford and need other components from the same group, such as additional intake ducts, covers, or filter mounts, check out the available parts in the Ford Air filter housings category.

For drivers interested in a broader context of design and OEM part selection across different models, the article comparing solutions used in classic and modern designs may be helpful – you can find it here: Classic Mini vs modern MINI – differences and OEM parts.