Water Pipe Mercedes W204 OM646 Radiator Coolant Hose Engine Cooling A2045013082

Mercedes W204 OM646 Water Hose Pipe Tube is a cooling system component designed for diesel engine vehicles, ensuring stable coolant flow. With precise fitment for the specific Mercedes W204 generation with the OM646 unit, this component from the Hoses, Pipes & Tubes category allows for efficient and technically correct replacement of worn sections of the system. It's a practical solution for users seeking a robust, proven part for their diesel-powered car's cooling system.

Specifications and technical data

• SKU: A2045013082
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2045013082
• Substitutable numbers: A2045013082, A 204 501 30 82, BG
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and Cooling System Fitment

The offered water hose is designed for use in the Mercedes W204 with the OM646 engine, meaning its geometry, connection diameters, and routing are adapted to the factory cooling system. This allows for maintaining proper coolant circulation between the engine's components, which directly impacts the engine's stable operating temperature.

As a part dedicated to a vehicle powered by Diesel fuel, the hose accounts for the thermal and structural specifics of this unit – including higher thermal loads and the typical operating characteristics of diesel engines. Proper fitment for the specific model minimizes the risk of leaks, installation stress, and incorrect positioning within the engine bay.

Technical Characteristics of the Water Hose

The hose belongs to the Hoses, Pipes & Tubes category, meaning it functions as a conduit for transporting coolant within the system. Its construction is prepared for operation in high-temperature environments and variable pressures typical of a diesel engine's cooling circuit. Appropriately selected material stiffness and flexibility reduce the risk of kinks, micro-cracks, and leaks at connections.

The element has been manufactured as a part consistent with the solutions used by the vehicle manufacturer, which translates to:

• correct hose routing in the engine bay,
• compatibility with factory clamps and mounting brackets,
• stable connection to the cooling system's spigots.

Component Condition and Installation Aspects

The water hose is offered as a used part, allowing for economical repair of the cooling system while maintaining compliance with the vehicle's original construction. Each such element is verified for installation suitability before being offered for sale, which helps reduce the risk of leaks resulting from visible mechanical damage.

Due to its factory designation for the Mercedes W204 with the OM646 unit, installation is similar to the manufacturer's service procedures. In practice, this means it can be installed using standard mounting points and factory connectors, without the need for modifications or non-factory adapters. For correct installation, it is recommended to use new hose clamps and check the condition of other cooling system components.

Benefits of Using the Mercedes W204 OM646 Water Hose

Using a water hose dedicated to a specific model and engine type offers a range of practical benefits:

• Correct Geometric Fitment – the hose follows the factory route, reducing the risk of rubbing against other components and premature wear.
• Compatibility with Diesel Cooling Systems – construction designed for conditions characteristic of diesel engines.
• Economical Repair Option – a used part allows for restoring cooling system functionality without the need to invest in expensive new components.
• Preservation of Original System Design – no need for installation modifications, which facilitates subsequent diagnostics and servicing.

Additional Information and Related Products

If you are looking for other Mercedes Hoses, Pipes & Tubes for your vehicle, check out the Mercedes hoses, pipes & tubes available in our store to select cooling system and other installation components according to your specific model's requirements.

Considering whether original, aftermarket, or used parts are a better choice for you? We encourage you to read our guide original, aftermarket, or used – which car parts are most cost-effective, where you will find a comparison of costs, quality, and practical tips for selecting components by OEM numbers.