Air Conditioning Pipe Mercedes W166 Refrigerant A/C Hose Line OM642 A1668301115

Air Conditioning Pipe Mercedes W166 Refrigerant A/C Hose Line OM642 is an original cabin cooling system component designed for diesel-powered vehicles. Thanks to its factory geometry and precise diameter, it ensures stable refrigerant flow, which translates into efficient air conditioning performance and thermal comfort inside the vehicle. This used component allows for a cost-effective restoration of the system's proper operation without compromising on the quality of original manufacturer parts.

Specifications and technical data

• SKU: A1668301115
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1668301115
• Substitutable numbers: A1668301115, A 166 830 11 15
• Fuel type: Diesel
• Category: A/C Hoses & Fittings

Purpose and function in the air conditioning system

The presented hose belongs to the Air conditioning lines, hoses and connectors group and is responsible for transporting refrigerant within the air conditioning installation in Mercedes W166 class models with the OM642 diesel engine. A correctly selected hose is crucial for maintaining proper operating pressure, tightness, and correct refrigerant circulation throughout the entire system.

This element works in conjunction with other air conditioning components, such as the compressor, condenser, evaporator, or expansion valve, to create a closed circuit. The appropriate rigidity and profile of the hose reduce the risk of vibrations, kinks, and micro-leaks, which is particularly important in vehicles with diesel engines, where higher thermal and vibrational loads occur.

Benefits of using an original Mercedes hose

Using an original air conditioning hose in a Mercedes W166 provides a number of practical advantages:

• factory fitment for the air conditioning system in vehicles with the OM642 diesel engine,
• maintenance of the routing path designed by the manufacturer,
• appropriate resistance to the pressure and temperature of the refrigerant,
• reduced risk of leaks compared to generic aftermarket replacements,
• easier installation due to compatibility with original brackets and connectors.

The used component allows for reduced repair costs while maintaining the consistency of the air conditioning system with the manufacturer's factory specifications.

Condition, installation, and vehicle selection

The offered hose comes from disassembly and is classified as a used part, which represents a reasonable compromise between price and functionality. Before installation, it is recommended to perform a standard system leak check, replace the seals in the connectors, and conduct a pressure test after assembling the installation.

When selecting a hose for a specific Mercedes vehicle, it is worth paying attention to:

• compatibility with the W166 body version,
• type of power unit – in this case, the OM642 diesel engine,
• configuration of the air conditioning system in the given vehicle.

This approach minimizes the risk of installation problems and ensures proper cooperation with other components of the system.

Used Mercedes parts and repair cost-effectiveness

In the case of premium brands such as Mercedes, using original components from disassembly is often the most rational economic solution. It allows for maintaining high component quality while limiting service costs, which is especially important for complex systems such as air conditioning in modern SUVs.

If you would like to learn more about the advantages of using original components from disassembly in cars of this brand, it is worth reading the article Used parts for Mercedes – original parts from disassembly, which discusses, among other things, the cost-effectiveness and durability of such solutions.

Expanding the air conditioning system in a Mercedes

If you are planning a comprehensive repair or modernization of the air conditioning zone in your Mercedes and need other elements from the same group, such as additional lines, flexible hoses, or service connectors, check out the available parts in the Mercedes air conditioning lines, hoses and connectors category.