Mercedes W160 W168 Expansion Tank Water Pump Bottom Hose A1685010982

The Mercedes W160 W168 Water Pipe Hose Tube is an original cooling system component from the Pipes, Hoses, and Tubes group, designed for installation at the rear of the vehicle. Engineered by Mercedes, it ensures proper coolant flow and stable system operation under demanding conditions.

Specifications and technical data

• SKU: A1685010982
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1685010982
• Substitutable numbers: A1685010982, A 168 501 09 82
• Location on the vehicle: Rear
• Category: Hoses, Lines & Pipes

Purpose and Function in the Cooling System

The water hose used in the W160/W168 series models is responsible for the controlled flow of coolant in the rear section of the vehicle. A correctly selected element from this group:

• stabilizes the fluid circulation in the cooling system,
• reduces the risk of component overheating,
• ensures a leak-proof connection between individual system components.

Thanks to its tailored geometry and appropriate diameter, the hose works seamlessly with factory spigots and mountings, facilitating installation and subsequent service maintenance.

Construction and Fit for Mercedes W160 / W168

This component has been specifically designed for the cooling system architecture of Mercedes W160 and W168 models, taking into account the limited installation space at the rear of the vehicle. The appropriately shaped pipe or water hose:

• directs coolant along the factory-intended route,
• minimizes stress on connections and clamps,
• reduces the risk of rubbing against other structural elements.

This precise fit translates to stable cooling system operation and reduces the likelihood of leaks in the long term.

Characteristics of a Used Component

The offered hose is a used part, allowing for economical repair while maintaining the original manufacturer's specifications. In practice, this means:

• retention of factory geometry and mounting points,
• compatibility with original clamps and connectors,
• the possibility of direct replacement of a worn or damaged element.

Choosing an original, used water hose is particularly beneficial where maintaining compliance with the original cooling system design and reducing service costs is important.

Benefits of Using an Original Water Hose

Using a hose dedicated to a specific body series brings tangible operational benefits:

• Factory Fit – no need for modifications, cutting, or adapting universal hoses.
• Stable Fluid Flow – the correct cross-section and length of the hose support the proper operation of the thermostat and radiator.
• Hassle-Free Installation – the hose follows the original route, simplifying the mechanic's work and reducing repair time.

An element configured this way allows for the restoration of correct cooling system operating parameters without altering the vehicle's structure.

Cooling System Expansion – Other Mercedes Pipes, Hoses, and Tubes

If you are planning a comprehensive repair or upgrade of the cooling system and fluid circulation area in your Mercedes and require other elements from the same group, such as additional pipes, return hoses, or connecting tubes, check the available parts in the Mercedes Pipes, Hoses, and Tubes category.

For users interested in a broader perspective on the cost-effectiveness of using aftermarket parts, including components for other brands, an article describing the practical aspects of selecting and installing used parts may be helpful – you can find it here: Volkswagen – Solidness and Reliability. Why Used VW Parts Are a Sensible Choice?.