Ford Focus Mk3 A/C Air Conditioning Air Expansion Valve Unit F1F1-19849-DA

The Ford Focus Mk3 Air Conditioning Expansion Valve F1F1-19849-DA is an original air conditioning system component from the expansion valve category, designed for precise control of refrigerant expansion. This used OEM part allows for a technically correct repair or restoration of the factory air conditioning system in your Ford Focus Mk3.

Specifications and technical data

• SKU: F1F1-19849-DA
• Mark: Ford
• Condition: Used
• OEM Part Number: F1F1-19849-DA
• Substitutable numbers: F1F1-19849-DA, F1F119849DA
• Part type: A/C Expansion Valve
• Category: A/C Expansion Valves

Role of the Expansion Valve in the Ford Focus Mk3 Air Conditioning System

The air conditioning expansion valve is responsible for accurate dosing of refrigerant between the high and low-pressure sides. A properly functioning component ensures:

• stable air conditioning system pressure, which translates to predictable compressor operation,
• effective cabin cooling under various thermal loads,
• even refrigerant evaporation in the evaporator, reducing the risk of system freezing.

Selecting the correct expansion valve is crucial for maintaining the factory air conditioning performance parameters and protecting other system components.

Why Choose an Original Ford Expansion Valve

The original expansion valve from the Ford group has been specifically designed for the geometry and characteristics of the Focus Mk3 air conditioning system. This ensures:

• full compatibility with the factory installation – correct mounting points and fit for hoses,
• appropriately selected refrigerant flow characteristics,
• consistency with the air conditioning control unit calibration, which facilitates maintaining the set cabin temperature.

A used OEM part is a cost-effective solution while preserving the design intended by the vehicle manufacturer.

Practical Benefits of Replacing the Expansion Valve

Replacing the expansion valve in the Ford Focus Mk3 is recommended, among other things, for symptoms such as poor cooling, unstable air conditioning operation, or uneven icing of the lines. Using the correct component helps to:

• restore cooling performance to a level close to factory standards,
• reduce compressor load through proper refrigerant expansion,
• limit the risk of secondary failures in the air conditioning system resulting from incorrect pressure.

This is particularly important in vehicles used intensively, where the stability of the air conditioning system affects the comfort of the driver and passengers.

Ford Expansion Valves – Selection and Additional Information

If you are looking for other expansion valves for Ford, check out our dedicated offer: Ford expansion valves. You will find a wide selection of components tailored to different models of this brand, making it easier to choose the right part for a specific vehicle version.

When deciding to use used parts in engine and ancillary systems, it is worth understanding the broader context of how flow control elements work. An article describing exhaust gas recirculation and the selection of used components may be helpful: EGR: what it is and why consider used EGR valves. Although it concerns a different system, it well illustrates the approach to conscious selection of used components in modern cars.

Summary

The Ford Focus Mk3 Air Conditioning Expansion Valve F1F1-19849-DA is an original, used component from the expansion valve category, intended for professional air conditioning system repair. Choosing an OEM component allows for maintaining the factory performance parameters of the installation, ensures predictable operation of the cabin cooling system, and is a technically correct solution for users expecting compliance with the manufacturer's design.