Volkswagen Passat B6 Air Conditioning Drain Pipe Connector Fitting 1K0820731

Volkswagen Passat B6 Air Conditioning Drain Pipe Connector Fitting is a precision component of the condensate drainage system, responsible for safely discharging condensate outside the vehicle cabin. Thanks to its factory-fit design for the Volkswagen platform, it ensures stable air conditioning system operation and reduces the risk of interior dampness. This is a practical solution for users looking to restore the proper functioning of the air conditioning in their Passat B6.

Specifications and technical data

• SKU: 1K0820731
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 1K0820731
• Substitutable numbers: 1K0820731, 1K0 820 731
• Part type: Fitting
• Category: A/C Hoses & Fittings

Function and role of the air conditioning drain pipe connector

The air conditioning drain pipe connector is responsible for the controlled discharge of condensate from the evaporator to the outside of the vehicle body. A properly functioning component:

• prevents water accumulation in the heater housing and center tunnel,
• reduces the risk of interior window fogging,
• protects against unpleasant odors resulting from stagnant moisture,
• supports long-term, stable operation of the air conditioning system. In the event of leaks or damage to the connector, water may leak into the vehicle interior, which is why its efficiency has a direct impact on the comfort of using the car.

Compatibility with Volkswagen Passat B6

The offered connector has been designed with the air conditioning system architecture of the Passat B6 in mind, which translates into a secure fit with the factory installation. The properly selected connection geometry and the shape of the mounting socket facilitate installation in the location intended by the vehicle manufacturer. The component comes from the Air conditioning hoses, pipes and connectors group, allowing it to work with other system components – hoses, connectors, and the evaporator housing – to create a coherent, sealed condensate drainage path.

Characteristics of the used component

The product is offered as a used part, meaning it has been removed from a vehicle and verified for suitability for further use. This type of solution is often chosen by users looking for a technically sound replacement at an attractive price, while maintaining the original geometry and manufacturing standards characteristic of the Volkswagen brand. Before installation, it is recommended to perform a standard check of the drain socket, channel patency, and the seal at the contact point with the air conditioning system housing to fully utilize the potential of the offered connector.

Practical installation and maintenance tips

When replacing the air conditioning drain pipe connector, it is worth:

• checking the condition of the condensate drain hose along its entire length,
• cleaning the drain channel of any debris (sand, leaves, sediment),
• checking for leaks after installation by running the air conditioning and observing the drain point,
• regularly monitoring whether water from the air conditioning appears under the vehicle – its absence during high humidity may indicate a blockage in the system. Such an approach helps maintain stable air conditioning operating conditions and reduces the risk of secondary faults related to interior dampness. If you are planning a comprehensive repair or upgrade of the air conditioning area in your Volkswagen and need other elements from the same group, such as pipes, flexible hoses, or service connectors, check the available parts in the Volkswagen air conditioning hoses, pipes and connectors category.

Technical support and knowledge about the air conditioning system

When working with the air conditioning system – especially in the case of problems with refrigerant pressure or compressor operation – it is worth expanding your knowledge about typical symptoms and causes of failures. The article describing diagnostics and the principles of safe air conditioning compressor replacement may be helpful: Air conditioning compressor – failure symptoms, causes, and safe replacement. This makes it easier to plan the full scope of service work and select the appropriate components.