Mercedes EQA350 H243 Refrigerant A/C Evaporator Condenser Line A2438306100

The Mercedes EQA350 H243 Condenser-Evaporator AC Hose is an original cabin cooling system component, designed for precise refrigerant transfer between the condenser and evaporator. Thanks to its factory-specified geometry and fit for the H243 body, it ensures stable air conditioning operating parameters and correct system working pressures. As part of the AC Hoses, Pipes, and Connectors group, it is a key component for professional air conditioning system repairs on the EQA350 model.

Specifications and technical data

• SKU: A2438306100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2438306100
• Substitutable numbers: A2438306100, A 243 830 61 00
• Category: A/C Hoses & Fittings

Purpose and Function in the Air Conditioning System

The condenser-evaporator hose is responsible for a sealed and controlled connection between the two main heat exchangers in the air conditioning system. In a premium electric vehicle like the EQA350 H243, the proper functioning of this section of the system directly impacts:

• maintaining correct refrigerant pressure in the circuit,
• stable cooling performance for the cabin and components,
• reducing energy losses in the air conditioning system,
• preserving the factory operating characteristics of the compressor and expansion valves.

Using a dedicated hose for the EQA350 H243 prevents installation stresses, twists, or leaks typically associated with components not adapted to a specific platform.

Construction and Fit for Mercedes EQA350 H243

The hose in question has been designed by Mercedes with the specific routing of the air conditioning system in the H243 body in mind. This includes:

• factory-matched length and shape of the pipe and flexible sections,
• integrated mounting points for the body and adjacent components,
• connectors prepared for compatibility with the original condenser and evaporator,
• appropriate internal diameter ensuring proper refrigerant flow.

This precise fit minimizes the risk of vibrations, chafing against structural elements, and leaks at connections, which is particularly important in modern, highly efficient air conditioning systems.

Benefits of Using an Original Mercedes Hose

Choosing an original condenser-evaporator hose for the EQA350 H243 translates into a range of practical service and operational benefits:

• Air Conditioning System Compatibility – the hose is structurally adapted to the specific model, facilitating installation and reducing workshop time.
• Consistent flow parameters – maintaining factory cross-sections and lengths promotes stable compressor operation and correct pressure regulation.
• Seamless integration with other AC hoses, pipes, and connectors in the vehicle, without requiring system modifications.
• The possibility of professional air conditioning system refurbishment while adhering to manufacturer standards.

This solution is particularly recommended for collision repairs, condenser or evaporator replacement, or when addressing refrigerant circuit leaks.

Characteristics of a Used Part

The offered hose is a used part, allowing you to combine the advantages of an original Mercedes part with a more favorable purchase price. A used component enables:

• maintaining the original system routing without structural compromises,
• reducing repair costs compared to a new component,
• preserving the integrity of the air conditioning system with other OEM components.

Before installation, the standard service procedure is recommended: checking system tightness, replacing seals on connections, and performing a pressure test after system assembly.

Technical Support and Additional Materials

If you are planning a comprehensive repair or upgrade of the air conditioning system area in your Mercedes and need other parts from the same group, such as high-pressure hoses, flexible pipes, or service connectors, check the available parts in the Mercedes AC Hoses, Pipes, and Connectors category.

You can find more practical information about the advantages of using original used parts in cars of this brand in the article: Used Parts for Mercedes – Original Components from Disassembly, which discusses, among other things, the approach to selecting air conditioning system components in premium vehicles.