Mercedes C204 S04 W204 Recirculation Pump Hose Tube Line Pipe A2048304496

Mercedes C204 S04 W204 Recirculation Pump Hose Tube Line Pipe is an original cooling system component designed for the precise routing of coolant between the recirculation pump and other components. Thanks to its factory geometry and perfect fit for the W204 platform, the hose ensures stable flow parameters and consistent operation of the entire cooling system, which translates into a safe engine operating temperature. It is a practical service solution for users who expect compatibility with the factory installation without the need for modifications.

Specifications and technical data

• SKU: A2048304496
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2048304496
• Substitutable numbers: A2048304496, A 204 830 44 96
• Part type: Hose
• Category: Coolant Hoses

Purpose and function in the cooling system

The recirculation pump hose in C-series models and W204 bodies is responsible for the controlled transport of coolant within the auxiliary or main pump, depending on the vehicle configuration. A properly selected element from the Cooling system hoses and pipes category minimizes the risk of pressure drops, leaks, and local overheating, which can lead to damage to gaskets, the cylinder head, or engine accessories.

The original hose design ensures:

• an appropriately selected internal diameter for proper fluid flow,
• a shape adapted to the engine bay layout in the Mercedes C-Class W204 generation,
• stable mounting in factory bracket and clamp points.

Benefits of using an original Mercedes hose

Using a recirculation pump hose from the same design line as factory Mercedes components limits typical problems encountered with replacements of imprecise dimensions. In practice, this means:

• secure fit to pump connectors and other system elements,
• maintenance of the manufacturer-designed hose routing, which facilitates service and inspection,
• reduced risk of rubbing against other components in the engine bay.

For workshops and individual users, this means shorter assembly time, fewer potential leaks, and predictable cooling system behavior under various engine load conditions.

Characteristics of the used component

The offered hose comes from dismantling and is a used part, which represents a reasonable compromise between repair costs and maintaining the manufacturer's original specifications. In practice, such a component is particularly attractive for:

• maintenance repairs in older Mercedes C-Class vehicles,
• restoring the efficiency of the cooling system after a recirculation pump failure or leak,
• servicing fleet vehicles where an economical but technically correct repair is important.

Choosing an original used hose allows you to maintain factory mounting and material parameters while reducing costs compared to a new part from an authorized service center.

Technical support and cooling system knowledge

To better understand the impact of hoses and pipes on engine durability and the symptoms of overheating, it is worth reading our guide on cooling system diagnostics and service: Engine cooling system – overheating, repair, and used radiators. The article helps link the condition of hoses, the recirculation pump, and the radiator to real effects on the engine, which makes it easier to decide on the scope of the repair.

Expanding your Mercedes cooling system service

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 flexible coolant hoses, return lines, or connecting sections to the radiator, check out the available parts in the Mercedes cooling system hoses and pipes category.