Ford Focus Mk3 Air Conditionign Compressor Pump 1.6 T1DA Diesel AP31-19D629-BA

Ford Focus Mk3 Air Conditionign Compressor Pump 1.6 T1DA Diesel is an original cabin cooling system component designed for diesel engines. This used compressor from the Air conditioning compressors and clutches category allows for an economical yet professional repair of the air conditioning system, maintaining factory-fit compatibility with the vehicle. It is a practical solution for workshops and users who expect a proven OEM part instead of replacements of unknown origin.

Specifications and technical data

• SKU: AP31-19D629-BA
• Mark: Ford
• Condition: Used
• OEM Part Number: AP31-19D629-BA
• Substitutable numbers: AP31-19D629-BA, AP3119D629BA, 1799468, AP31-19D629-BB, AP3119D629BB
• Fuel type: Diesel
• Part type: Compressor & Clutch Assembly
• Category: A/C Compressors & Clutches

Purpose and role in the air conditioning system

The air conditioning compressor in the Ford Focus Mk3 with the T1DA diesel engine is responsible for compressing the refrigerant and maintaining stable operating parameters for the entire system. A correctly selected compressor ensures:

• efficient cabin cooling under various engine loads,
• stable pressure in the refrigerant circuit,
• proper cooperation with the diesel engine's auxiliary equipment. Thanks to the preservation of the original design, the compressor is matched to the operating characteristics of the Diesel power unit, which reduces the risk of vibration, noise, and accelerated wear.

Advantages of using an original compressor

Choosing a used, original air conditioning compressor for a Ford brings a number of practical service and operational benefits:

• Factory fit – preserved mounting geometry, correct clutch type, and compatibility with the factory equipment of the Focus Mk3 engine.
• Consistency with the control system – the compressor works with the original electronics and sensors, which facilitates diagnostics and calibration.
• Economical repair – a used OEM component allows for reduced service costs while maintaining high manufacturing quality.
• Better operational predictability – a design consistent with the vehicle manufacturer's specifications reduces the risk of air conditioning malfunctions after installation.

Professional installation and good service practices

To fully utilize the potential of the air conditioning compressor for the Ford Focus Mk3, it is worth ensuring a proper installation procedure. In service practice, this means, among other things:

• thorough flushing of the system and replacement of filtering elements,
• checking the tightness of hoses and the condenser,
• replenishing the correct amount and type of refrigerant,
• verifying the correct operation of the compressor clutch after starting the engine. Such an approach minimizes the risk of recurring failure and allows for the full utilization of the used compressor's parameters in daily operation.

Technical support and selecting the right compressor

When selecting an air conditioning compressor for a specific version of the Ford Focus Mk3 with a diesel engine, matching it to the power unit and auxiliary system is crucial. It is worth paying attention to compatibility with the factory air conditioning system to avoid problems with installation and subsequent diagnostics. If you are planning a comprehensive repair or upgrade of the air conditioning system in your Ford and need other components from the same group, such as compressors, clutches, or belt drive elements, check the available parts in the Ford air conditioning compressors and clutches category.

Safe choice of a used compressor – knowledge for the user

Before deciding to install a used compressor, it is worth knowing the typical symptoms of damage and the principles of safe replacement. Detailed information on failure symptoms, causes of damage, and service practices can be found in the article Air conditioning compressor – failure symptoms, causes, and safe replacement. This is a useful source of knowledge for both mechanics and informed users who want to better understand how the air conditioning system works in their car.