Mercedes-Benz C W203 OM 611 612 Water Pipe Hose Line Alternator A6112000352

Mercedes-Benz C W203 OM 611 612 Water Pipe Hose Line Alternator is an original cooling system component from the Lines, hoses and pipes group, designed for installation on the right side of the engine compartment. It enables stable coolant flow in OM 611 and OM 612 engines, ensuring proper operation of the power unit and reducing the risk of overheating.

Specifications and technical data

• SKU: A6112000352
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6112000352
• Substitutable numbers: A6112000352, A 611 200 03 52
• Location on the vehicle: Right
• Category: Hoses, Lines & Pipes

Purpose and function in the cooling system

The described water pipe has been designed specifically for Mercedes W203 class models with OM 611 and OM 612 diesel engines. Its task is to precisely guide the coolant between cooling system components, while maintaining the correct flow direction and connection tightness.

The placement on the right side of the vehicle allows for seamless integration with the factory layout of components in the engine compartment, which facilitates installation and subsequent maintenance. Thanks to the tailored geometry of the line, stress on the ports and connectors is minimized, which promotes longer, stable operation.

Construction and installation fit

The water pipe belongs to a group of components with a design adapted to the factory mounting points in the Mercedes W203. The shape of the line is optimized for:

• guiding the coolant while maintaining the appropriate bending radius,
• avoiding collisions with other components in the engine compartment,
• ensuring proper support and stabilization of the line.

The original Mercedes origin means compliance with factory quality standards, as well as correct connection diameters and working length, which translates into a secure seal after using the appropriate factory clamps or connectors.

Benefits of using an original water pipe

Using a dedicated water pipe in the cooling system brings a number of practical operational benefits:

• Stable coolant circulation – proper flow in the OM 611 / OM 612 engine circuit helps maintain the optimal operating temperature.
• Better system tightness – matched ends and line geometry reduce the risk of leaks at the connections.
• Compatibility with factory equipment – no need for alterations, custom adapters, or modifications to other elements.
• Easier diagnostics and service – the mechanic works on a line with known routing and mounting points, which speeds up maintenance.

For the user, this means more predictable cooling system behavior and a lower risk of failures related to engine overheating.

Product characteristics and practical application

The water pipe from this offer is a secondary market component in used condition, which allows for an economical repair of the cooling system while maintaining the manufacturer's original specifications. This is a particularly beneficial solution for older Mercedes W203 models, where both technical compliance and reasonable service costs are important.

Before installation, it is recommended to perform a standard cooling system check – verifying the condition of other lines, hoses, pipes, and cooperating elements, such as the radiator or thermostat. Replacing several worn components in one service cycle reduces vehicle downtime and improves the overall reliability of the system.

System expansion – other Mercedes lines, hoses and pipes

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

For users interested in a broader approach to operating premium class cars and using dismantled parts in other brands, practical tips regarding work with electronics and control modules may be useful – you can find them in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models.