Mercedes W177 A35 AMG M260 Coolant Hose Radiator To Water Pump A1775017301

The Mercedes W177 A35 AMG M260 water pump coolant hose is an original cooling system component designed for diesel engines. Thanks to its factory geometry and precise fit for the M260 engine configuration, it ensures stable coolant flow and proper cooperation with the water pump. This is the solution for users who expect a reliable, technically proven component instead of random aftermarket replacements.

Specifications and technical data

• SKU: A1775017301
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1775017301
• Substitutable numbers: A1775017301, A 177 501 73 01
• Fuel type: Diesel
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The presented hose belongs to the Cooling System Hoses and Lines group, responsible for transporting coolant between key engine components. In this case, the component works with the water pump, which directly impacts fluid circulation, stabilization of operating temperature, and protection of the engine against overheating.

In diesel engines, where thermal loads are high, a correctly selected cooling hose is crucial for:

• maintaining proper pressure in the cooling system,
• reducing the risk of localized engine component overheating,
• ensuring uniform fluid flow under variable load.

Compatibility with Mercedes W177 A35 AMG M260 Diesel

This hose has been designed with the engine bay architecture of the Mercedes A-Class W177 generation, specifically the A35 AMG version with the M260 diesel engine, in mind. This means it fits factory spigots, has the correct length, and a profile that accounts for the routing of other components in the engine bay.

This ensures a tidy installation without the need for modifications or additional clamps beyond those structurally intended. Maintaining the original hose geometry also promotes proper airflow in the engine bay and minimizes the risk of unwanted vibrations.

Characteristics of a Used Component

The offered water pump coolant hose is a used part, allowing for an economical repair while maintaining the original manufacturer's specifications. In practice, this means the component comes from a dismantled vehicle but retains the design parameters intended for the cooling system of this model.

Choosing a used hose from this category is particularly beneficial when you want to maintain factory fitment while reducing service costs without compromising on a component that aligns with Mercedes engineers' design.

Importance of a Proper Radiator Hose for Engine Durability

A functional cooling hose working with the water pump directly impacts the engine's lifespan, especially in diesel engines that operate under high thermal loads. Leaks, reduced flow cross-section, or hose deformation can lead to:

• decreased cooling system efficiency,
• localized overheating of the cylinder head or engine block,
• accelerated wear of components interacting with the coolant.

To better understand the impact of the cooling system on engine durability, it is worth consulting the guide on diagnosing and operating this system: Engine Cooling System – Overheating, Repair, and Used Radiators.

Expanding the Cooling System in Your Mercedes

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as additional lines, return hoses, or connections to the radiator, check the available parts in the Mercedes Cooling System Hoses and Lines category.

If you have any doubts regarding the selection of a used component or wish to compare factory solutions with aftermarket alternatives, the following guide may also be helpful: Used Car Parts: Myths and Facts You Need to Know.