Mercedes-Benz A Class W169 Air Pipe Hose Expansion Water Tank A1695011225

Mercedes-Benz A Class W169 Air Pipe Hose Expansion Water Tank is an original cooling system component, specifically designed for this generation of the A-Class. Thanks to its factory geometry and precise fit to the body mounts, it ensures stable routing of the cooling medium and seamless compatibility with other system components. This used OEM part is a sensible choice for maintenance when you prioritize reliable compatibility with the factory installation.

Specifications and technical data

• SKU: rhd-A1695011225
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1695011225
• Substitutable numbers: A1695011225, A 169 501 12 25, KZ
• Category: Clamps & Hardware

Purpose and function in the cooling system

This Mercedes-Benz A Class W169 Air Pipe Hose Expansion Water Tank has been developed for precise routing of fluid and air between the tank and other cooling system components in the Mercedes-Benz A-Class W169. The properly selected diameter and shape of the hose help maintain correct circulation and venting, which translates into a stable engine operating temperature.

Thanks to a design consistent with Mercedes factory standards, the hose works with original clamps and mounting points, minimizing the risk of leaks and improper positioning in the engine bay.

Design and vehicle installation

The component belongs to the Clamps and mounting parts group, which means its geometry and mounting points are adapted to the serial brackets and routings in the A-Class W169 body. The stiffness of the hose and the properly formed connection sections facilitate correct seating on the connectors and stable fastening using factory clamps.

In practice, installation involves removing the old hose, cleaning the connectors, and seating this component in the existing routings. Its original origin ensures the correct length and angle of the outlets, which limits material stress and reduces the risk of future leaks.

Benefits of using an original hose

Using an original air hose in the A-Class W169 cooling system allows you to maintain the factory performance characteristics of the engine and thermal system. This is particularly important in cars where predictable behavior under various load and ambient temperature conditions is essential.

• reliable fit to connectors and brackets in the engine bay,
• preservation of the flow path designed by the manufacturer,
• reduction of the risk of leaks resulting from incorrect length or shape of a replacement part,
• consistency with other Mercedes cooling system components.

A used OEM part is also a cost-effective solution while maintaining high manufacturing quality and compliance with the manufacturer's service documentation.

Component condition and service application

The hose is offered in used condition, which allows for an economical repair or replacement of a damaged section of the cooling system without sacrificing the original specification. This type of part is suitable both for emergency leak repairs and for planned preventive maintenance when you want to restore proper hose routing in the engine bay.

Thanks to the preservation of factory mounting parameters, the hose fits well into the existing vehicle architecture, which facilitates the mechanic's work and reduces the car's downtime in the workshop.

If you are planning a comprehensive repair or upgrade of the cooling system area in your Mercedes and need other components from the same group, such as brackets, clamps, or additional hose mounts, check out the available parts in the Mercedes Clamps and mounting parts category.

Additional technical support and knowledge

During service work, it is worth paying attention to the general condition of the engine equipment, including the lighting system, electrical installation, and components responsible for driving safety. If you are interested in how the selection of original components affects visibility and safety at night, the following article will be helpful: See more and better – a complete guide to selecting and replacing used LED and Xenon headlights, which discusses the practical aspects of using OEM parts in modern cars.