Ford Fiesta Mk7 ST-2 Vacuum Pipe With Purge Valve 2.0 Petrol BV61-9G866-AA

Ford Fiesta Mk7 ST-2 Vacuum Pipe With Purge Valve is an original crankcase ventilation system component designed for Ford petrol engines. The precisely selected geometry of the pipe and the integrated purge valve supports stable engine operation, reduces blow-by, and helps maintain the correct air-fuel mixture parameters. This is a practical service solution for ST-2 version users who expect a proven component with factory-fit quality.

Specifications and technical data

• SKU: 2070059
• Mark: Ford
• Condition: Used
• OEM Part Number: 2070059
• Substitutable numbers: BV61-9G866-AA, BV619G866AA, 0280142500, 2070059
• Fuel type: Petrol
• Part type: Emission Vacuum Switch
• Category: Air Intake & Fuel Sensors

Purpose and function in the intake system

The vacuum pipe with purge valve in a petrol engine plays a key role in the controlled discharge of gases from the crankcase into the intake system. A properly functioning valve stabilizes pressure, limits excessive blow-by, and helps keep intake channels clean, which translates into smooth engine operation and predictable throttle response. In the case of the ST-2 version, where the engine operates under higher loads, an efficient ventilation system is important for maintaining proper performance, reducing oil deposits in the intake, and preserving repeatable combustion parameters. Replacing a worn pipe and valve with a proven component allows for the restoration of proper operating conditions for the air and fuel intake system.

Benefits of using the original vacuum pipe with purge valve

Using a factory solution instead of a faulty part or a low-quality replacement provides measurable operational benefits:

• maintaining proper gas circulation in the crankcase and intake,
• reducing the risk of unstable idle speed,
• reducing the tendency for excessive oiling of intake hoses,
• better operating conditions for the petrol supply system during dynamic driving. Thanks to its fitment for the specific engine configuration, the component works with other intake system elements without the need for modifications, which facilitates installation and subsequent diagnostics.

Component condition and service application

The offered vacuum pipe with purge valve comes from the Air and fuel intake sensors group and is intended for service applications in Ford vehicles with petrol engines. The used nature of the part makes it an economical solution while allowing for the preservation of the factory ventilation system design. It is a good choice for repairs where structural compliance with the manufacturer's original design is important. Before installation, it is recommended to perform a standard check of intake hose tightness and verify the condition of other ventilation system elements to fully utilize the potential of the replaced pipe and valve.

Integration with the Ford air and fuel intake system

The element works with the factory intake system, sensors, and engine management, which is important for the correct interpretation of signals by the vehicle's electronics. Stable gas flow conditions within the ventilation system facilitate the maintenance of proper fuel trims and promote predictable engine operation across the full load range. If you are planning a comprehensive repair or upgrade of your Ford's engine area and need other elements from the same group, such as vacuum lines, ventilation elements, or components working with the intake, check the available parts in the Ford air and fuel intake sensors category.

Selection, compatibility, and technical support

When selecting air and fuel intake system elements for a specific engine version, it is worth using the manufacturer's markings and catalog data to ensure full compatibility with the petrol unit. Proper fitment of the vacuum pipe with purge valve minimizes the risk of leaks, diagnostic errors, and improper operation of the engine management system. For users who want to better understand the importance of correctly selected components in the context of electronics and sensors, the Global Parts guide will be helpful: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?. There, you will find practical tips regarding selection by manufacturer markings, compatibility, and installation of elements working with the fuel supply system.