Ford Focus ST Mk3 Air Con A/C Compressor Pump 2.0 Petrol GV61-19D629-SB

Ford Focus ST Mk3 Air Con A/C Compressor Pump 2.0 Petrol is an original cabin cooling system component designed for 2.0 petrol units in the sporty ST version. This used compressor from the Air conditioning compressors and clutches group allows for a technically sound repair of the air conditioning system without the need to resort to expensive replacements of unknown origin.

Specifications and technical data

• SKU: 5407099
• Mark: Ford
• Condition: Used
• OEM Part Number: 5407099
• Substitutable numbers: 5407099, GV61-19D629-SB, GV6119D629SB
• Fuel type: Petrol
• Part type: Compressor & Clutch Assembly
• Category: A/C Compressors & Clutches

Purpose and compatibility

The presented air conditioning compressor is dedicated to the air conditioning system in the third-generation Ford Focus ST model, equipped with a petrol engine. Using an original compressor from the Ford family ensures the maintenance of factory operating parameters, correct system pressures, and proper cooperation with engine accessories and the air conditioning controller. By adhering to the manufacturer's specifications, this component is suitable for use both during standard replacement of a worn-out compressor and for repairs following a cabin cooling system failure, where compatibility with the factory installation is crucial.

Construction and role in the air conditioning system

The air conditioning compressor in the Ford Focus ST Mk3 is responsible for compressing the refrigerant and maintaining a stable circulation throughout the system. A properly functioning compressor:

• ensures the correct refrigerant pressure in high and low-pressure lines,
• stabilizes the operation of the condenser, evaporator, and expansion valve,
• contributes to uniform cabin cooling under various engine loads,
• reduces the risk of overheating of air conditioning system components. The original compressor from this series is designed for the specific operating conditions of the petrol unit, which translates into proper RPM, drive belt load, and correct interaction with the compressor clutch.

Benefits of using an original used compressor

Using a used, original Ford compressor in place of a worn-out component is a solution that allows for cost control while maintaining the factory performance characteristics of the system. Compared to cheap replacements, the original compressor:

• maintains compatibility with the air conditioning and engine controller parameters,
• minimizes installation issues thanks to factory mounting points,
• ensures predictable system behavior under high loads typical for the ST version. For users who expect stable cabin cooling and proper air conditioning operation in a high-performance vehicle, choosing an original compressor is a technically sound solution.

Professional installation and part selection

To fully utilize the potential of this compressor, installation in a specialized service center is recommended, following procedures for venting and filling the system with refrigerant. When replacing the compressor, it is worth paying attention to:

• the condition of the dryer and condenser,
• the cleanliness of the lines and the absence of metal shavings in the system,
• the correct tension of the drive belt and the condition of the guide pulleys. By following these principles, you can significantly extend the service life of the installed compressor and reduce the risk of recurring faults. If you need to select parts based on manufacturer markings, the data in the technical specification section will be helpful, where you can find information about the OEM part number, interchangeable numbers, and manufacturer markings.

Technical support and related products

If you are planning a comprehensive repair or upgrade of the air conditioning area in your Ford and need other components from the same group, such as other compressors, compressor clutches, or accessory parts, check the available parts in the Ford air conditioning compressors and clutches category. Before deciding to replace the compressor, it is worth reading practical tips on selecting and checking used cabin cooling system components – they are discussed in detail in the article No cooling in the car: an original used air conditioning compressor as a proven alternative to expensive new parts, where you will find information on when installing a used compressor makes sense and what to look out for before installation.