Air Conditioning Pipe Mercedes W177 W247 Refrigerant A/C Hose Line A1778304201

Air Conditioning Pipe Mercedes W177 W247 Refrigerant A/C Hose Line is an original cabin cooling system component designed for Mercedes compact models. The precisely selected geometry of the pipe ensures stable refrigerant routing and proper cooperation with other air conditioning components, which translates into comfortable and trouble-free vehicle operation.

Specifications and technical data

• SKU: A1778304201
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1778304201
• Substitutable numbers: A1778304201, A 177 830 42 01
• Category: A/C Hoses & Fittings

Purpose and function in the air conditioning system

The air conditioning pipe used in W177 and W247 bodies is responsible for a tight and efficient connection between individual system components, such as the compressor, condenser, or evaporator. A properly shaped pipe minimizes pressure drops, reduces the risk of vibration, and supports even refrigerant flow throughout the entire system.

Thanks to factory-fitment for the specific body platform, installation takes place at the manufacturer's designated mounting points, which facilitates service and allows for maintaining the correct pipe routing relative to other components in the engine compartment.

Construction and advantages of the original pipe

The element belongs to the Air conditioning pipes, hoses and connectors group, which means it has been designed to work under variable pressure and in a wide temperature range. The materials used are resistant to refrigerant and compressor oil, as well as to typical thermal loads occurring in the engine compartment.

Key advantages of this pipe include:

• factory fitment for the air conditioning system in W177 and W247 models,
• manufacturer-designed routing, reducing the risk of abrasion and leaks,
• integrated connectors enabling a secure, service-grade connection with other components,
• construction prepared for operation in conditions typical for Mercedes powertrains.

Condition of the element and installation aspects

The offered pipe comes from the used parts segment, which allows for a significant reduction in air conditioning system repair costs while maintaining the original manufacturer's specifications. This type of solution is particularly beneficial when servicing vehicles a few years old, where it is important to combine quality with a reasonable budget.

During installation, it is recommended to:

• check the condition of sockets and connectors in the vehicle before installation,
• replace service seals in accordance with the manufacturer's procedure,
• perform a leak test and properly fill the system with refrigerant after completing the work.

Benefits of using an original used part

Using an original air conditioning pipe in a Mercedes allows you to maintain factory operating parameters while reducing costs compared to a new component. This is a particularly attractive solution for users who want to maintain a high level of thermal comfort in the cabin without sacrificing the quality characteristic of this brand.

If you are planning a comprehensive repair or upgrade of the air conditioning zone in your Mercedes and need other elements from the same group, such as flexible hose sections, rigid pipes, or service connectors, check the available parts in the Mercedes air conditioning pipes, hoses and connectors category.

More about the advantages of original used Mercedes parts

Choosing original used components, such as air conditioning pipes, compressors, or control modules, is a proven way to maintain high-quality operation without overstraining your service budget. You can read about how to effectively use the dismantling parts market for this brand in the article Used parts for Mercedes – original parts from dismantling, which discusses the practical aspects of such a solution in detail.