Ford Focus Mk3 Heater Matrix Evaporator Expansion Valve GV61-19840-BA

Ford Focus Mk3 Heater Matrix Evaporator Expansion Valve is a specialized component of the air conditioning and heating system, designed for precise control of refrigerant expansion in the Ford Focus Mk3. Offered as a genuine Ford part, this component ensures proper HVAC system performance and stable thermal conditions in the cabin. Using this pre-owned component allows for an economical yet technically sound repair of the factory installation.

Specifications and technical data

• SKU: RHD-GV61-19840-BA
• Mark: Ford
• Condition: Used
• OEM Part Number: GV61-19840-BA
• Substitutable numbers: GV61-19840-BA, GV6119840BA, H1F1-19849-AA, H1F119849AA
• Category: Other Air Conditioning & Heating

Function and role of the expansion valve in the air conditioning system

The presented expansion valve is responsible for the controlled reduction of refrigerant pressure before the evaporator, which enables efficient cooling of the air directed into the vehicle interior. A properly functioning component:

• stabilizes the pressure and temperature of the refrigerant in the evaporator,
• reduces the risk of evaporator freezing under varying operating conditions,
• supports the smooth operation of the compressor and other system components,
• ensures a predictable air conditioning response to control panel settings. As a result, the driver and passengers receive a consistent, comfortable temperature distribution in the cabin, and the entire HVAC system operates under more controlled conditions.

Compatibility and fitment for Ford Focus Mk3

Ford Focus Mk3 Heater Matrix Evaporator Expansion Valve has been designed as an element of the factory air conditioning system in this model, which translates into a perfect fit with the original lines, evaporator, and mounts. Using a genuine Ford solution minimizes the risk of issues with:

• leaking connections,
• incorrect positioning relative to the evaporator,
• incompatibility with air conditioning controller operating parameters. This is particularly important during air conditioning system service, where assembly precision and component compatibility have a direct impact on the durability and efficiency of the entire system.

Characteristics of the pre-owned component

The offered expansion valve is a salvaged part and is sold as a used component, which allows for a significant reduction in repair costs compared to a new OEM part. This type of solution is particularly beneficial for:

• maintenance repairs in several-year-old and older vehicles,
• restoring system functionality after a localized failure (e.g., mechanical damage or corrosion of connections),
• optimizing service budgets while maintaining original part specifications. Before installation, it is recommended to follow standard air conditioning service procedures, including leak testing, replacing the receiver-drier, and proper refrigerant charging according to the vehicle manufacturer's recommendations.

Practical installation and service tips

Replacing the expansion valve in a Ford Focus Mk3 requires access to the evaporator unit and air conditioning lines; therefore, work should be performed by a workshop equipped with the appropriate refrigerant handling equipment. During installation, it is worth paying attention to:

• thorough cleaning of seats and sealing surfaces,
• using new seals compatible with the Ford air conditioning system,
• checking the condition of lines and the evaporator for corrosion and leaks,
• proper system evacuation and charging after work is completed. Service performed in this manner increases the chances of long-term, stable air conditioning system operation after component replacement.

Related categories and technical materials

If you are planning a comprehensive repair or upgrade of the air conditioning and heating zone in your Ford and need other elements from the same group, such as air conditioning lines, an evaporator, or a condenser, check the available parts in the Other Ford category. For a comparison of technical solutions used in sports versions of other brands and a better understanding of the differences in the construction of powertrains and their associated systems, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses, among other things, the specifics of components used in high-performance vehicles.