Mercedes W176 Refrigerant Line Screw Cap Cover Filling Connector A0009973495

Mercedes W176 Refrigerant Line Screw Cap Cover Filling Connector is a specialized air conditioning system component designed for use in Mercedes vehicles. It ensures a tight and stable connection of the refrigerant line, which translates into proper air conditioning operation and the safety of the entire system.

Specifications and technical data

• SKU: A0009973495
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0009973495
• Substitutable numbers: A0009973495, A 000 997 34 95
• Category: Body Mouldings & Trims

Purpose and technical function

The refrigerant line screw cap cover in the W176 model is responsible for the controlled, mechanical sealing of the connection within the air conditioning system. Its tasks include:

• maintaining tightness at the refrigerant line connection point,
• stabilizing the mechanical connection of the line to the rest of the system,
• reducing the risk of leaks and a decrease in air conditioning efficiency.

Thanks to its precise fit for the W176 system, the cap works with the factory geometry of the lines, which facilitates assembly and service.

Construction and fit for Mercedes W176

The element has been designed with the architecture of the air conditioning system in the W176 body in mind, maintaining appropriate dimensional tolerances. This means that it:

• fits the factory refrigerant line connector in the given model,
• allows for proper tightening and closing of the connection without additional modifications,
• maintains the correct position of the line relative to other system components.

Such a fit helps maintain the original operating characteristics of the air conditioning and facilitates future diagnostics.

Component condition and service application

The offered refrigerant line screw cap cover is a part from the Protective and decorative moldings category in a used variant, which makes it an attractive service solution for users looking for a compromise between cost and functionality. It is particularly useful in situations where:

• it is necessary to replace a damaged or worn connector cap,
• the refrigerant line is being disassembled and reassembled,
• it is necessary to restore the factory configuration of the system after previous repairs.

A properly selected element of this type helps reduce the risk of refrigerant leaks and the recurrence of faults related to improper sealing of the connection.

Benefits of using an original solution

Using a refrigerant line screw cap cover dedicated to the W176 allows for maintaining consistency with the vehicle's factory design. Key advantages include:

• compatibility with the air conditioning system without the need to adapt other elements,
• easier assembly thanks to maintaining the original geometry,
• the possibility of use in standard service procedures used in workshops servicing Mercedes.

This approach promotes the predictability of the repair result and reduces the time required to fit replacement parts.

Additional information and part selection

When selecting a refrigerant line screw cap cover for a specific vehicle configuration, it is worth paying attention to manufacturer markings, catalog numbers, and compatibility with the model year and equipment version. In case of doubt, a good solution is to compare the element with the one currently installed in the vehicle or consult a service center specializing in the Mercedes brand.

If you are planning a comprehensive repair or upgrade of the body zone and finishing elements in your Mercedes and need other elements from the same group, such as covers, overlays, or additional moldings, check the available parts in the Mercedes protective and decorative moldings category.

If you are considering whether new or used parts would be a better choice in your case and want to learn about the differences in costs and durability, the article Car parts – new or used? We compare costs, quality, and durability, which discusses the practical aspects of selecting components for a car, may be helpful.