Mercedes-Benz W163 ML 270 CDI OM612 Radiator Coolant Hose Line A1635000775

Mercedes-Benz W163 ML 270 CDI OM612 Radiator Coolant Hose Line is an original cooling system component designed for precise coolant routing in the OM612 diesel engine. As part of the Lines, Hoses and Pipes group, it ensures a stable connection between cooling system components, supporting the safe operation of the power unit under demanding operating conditions. This used OEM component is a sensible choice for users looking for a proven, structurally matched solution for the Mercedes-Benz W163 ML 270 CDI model.

Specifications and technical data

• SKU: A1635000775
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1635000775
• Substitutable numbers: A1635000775, A 163 500 07 75, BG
• Category: Hoses, Lines & Pipes

Purpose and function in the cooling system

This coolant hose is a component of the system responsible for transporting coolant between the radiator and other engine components of the OM612 engine in the W163 generation Mercedes M-Class. The properly shaped geometry of the hose allows for secure routing of the cooling medium, maintaining the required bending radii and clearances relative to other engine bay components.

A properly selected radiator hose:

• maintains the tightness of the cooling system under typical thermal and pressure loads,
• reduces the risk of engine overheating,
• ensures stable coolant flow throughout the entire engine operating range.

Compatibility with Mercedes-Benz W163 ML 270 CDI OM612

The Mercedes-Benz W163 ML 270 CDI Radiator Coolant Hose Line has been designed for the specific configuration of the OM612 engine, which translates into proper fitment to factory connectors, brackets, and routings. The original OEM design minimizes the risk of collision with other equipment components and facilitates installation in the engine bay without the need for modifications.

Thanks to the preservation of factory geometry and connection diameters, the hose works with the stock radiator and other cooling system components, which is essential for maintaining correct engine operating parameters and avoiding unwanted pressure drops in the circuit.

Characteristics of the used OEM component

The offered hose comes from dismantling and is a used component, which allows for an economical replacement of the part while maintaining the original Mercedes manufacturer's specification. This type of part is particularly attractive for older vehicle generations, where the priority is to combine correct functionality with reasonable service costs.

Choosing an original hose from the secondary market:

• facilitates maintaining the factory cooling system configuration,
• reduces fitment issues typical of aftermarket replacements with universal geometry,
• allows for faster installation due to compatibility with factory brackets and routings.

For users considering different service strategies when selecting components, it is worth reading the guide Car parts – new or used? Comparing costs, quality, and durability, which helps in making informed purchasing decisions.

The importance of a proper radiator hose in operation

A functional coolant hose has a direct impact on the thermal stability of the engine, and thus on its durability and operational safety. Maintaining the tightness of the cooling system reduces the risk of leaks, drops in fluid levels, and engine overheating, which can lead to costly repairs.

Regular inspection of the condition of lines, hoses, and pipes in the Mercedes W163 ML 270 CDI, and replacing them with properly selected OEM components when necessary, is an essential element of preventive maintenance. Replacing a worn hose with the correct component restores proper coolant circulation and supports the stable operation of the entire system.

Expanding cooling system service in a Mercedes

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as additional cooling system lines, hoses, or pipes, check the available parts in the Mercedes Lines, Hoses and Pipes category.