Mercedes-Benz A-Class W169 Petrol Water Coolant Hose Pipe Radiator A1695010882

The MERCEDES W169 Gasoline Coolant Hose Pipe Tube is a component from the Cooling System Hoses and Pipes group, designed for gasoline engines of this generation. It is responsible for the stable flow of coolant, which translates to a safe operating temperature for the engine unit and reduces the risk of overheating.

Specifications and technical data

• SKU: A1695010882
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1695010882
• Substitutable numbers: A1695010882, A 169 501 08 82, EM
• Fuel type: Petrol
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The coolant hose used in the Mercedes W169 with a gasoline engine operates within the coolant circuit between key system components. Its task is to maintain a sealed, stable connection between cooling components such as the engine block, return circuit, or intermediate elements, thereby preserving the unit's correct operating temperature.

Thanks to its appropriately selected geometry and internal diameter, the hose ensures proper fluid flow, minimizing pressure drops and reducing the risk of localized overheating. This is particularly important in modern gasoline engines, where stable cooling affects the durability of seals, the cylinder head, and accessories.

Benefits of Using an Original Coolant Hose

Using a coolant hose dedicated to the Mercedes W169 allows for the preservation of the cooling system's factory operating characteristics. The appropriate shaping of the flow path, its fit to mounting points, and routing within the engine bay reduces stress, twisting, and unwanted vibrations that could occur with components of arbitrary geometry.

In practice, this means:

• stable coolant flow across the entire load range of the gasoline engine,
• reduced risk of leaks at connections due to proper fitting of the ends,
• easier installation without the need for modifications to the hose routing in the engine bay.

Operating Characteristics in a Gasoline Engine

The cooling system in Mercedes W169 gasoline units operates within a wide range of temperatures and pressures, so the coolant hose must maintain appropriate flexibility and resistance to thermal changes. A properly selected hose material limits swelling, hardening, and micro-cracking, which in the long run could lead to leaks.

Replacing the coolant hose is particularly recommended in situations where signs of abrasion or cracking appear, or when the cooling system has previously been leaking. Maintaining an efficient coolant circulation directly impacts engine lifespan, as well as thermostat stability and radiator efficiency.

Component Condition and Service Application

The offered coolant hose is a used part, allowing for an economical repair of the cooling system while maintaining proper fitment for the Mercedes W169 with a gasoline engine. This type of part is suitable for both routine replacement and larger service jobs related to the cooling system.

Before installation, a standard inspection of other system components is recommended, such as hose clamps, connectors, and the condition of sealing surfaces, to fully utilize the potential of the newly installed hose and minimize the risk of re-disassembly.

Expansion and Service of the Mercedes Cooling System

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 additional hoses, return hoses, or connections to the radiator, check the available parts in the category Mercedes Cooling System Hoses and Pipes.

To better understand the impact of efficient coolant circulation on engine unit durability and the symptoms of overheating, it is worth reading the guide: Engine Cooling System – Overheating, Repair, and Used Radiators. If you want to further clarify any doubts regarding the use of used parts, the article Used Car Parts: Myths and Facts You Need to Know, which discusses the practical aspects of selecting such components, will be helpful.