Mercedes-Benz W203 C209 Power Steering Cooling Pipe Line Part A2039976882

Mercedes-Benz W203 C209 Power Steering Cooler Hose is an original hydraulic system component responsible for stabilizing the temperature of the power steering fluid. With precise fitment for C-Class W203 generation models and the C209 body style, it ensures proper circulation and effective heat dissipation from the power steering system, leading to predictable steering performance and the longevity of the entire assembly.

Specifications and technical data

• SKU: rhd-A2039976882-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2039976882
• Substitutable numbers: A2039976882, A 203 997 68 82, BG
• Category: Power Steering Pumps

Purpose and Function in the Power Steering System

The cooling hose operates within the hydraulic circuit between the power steering pump and other system components, serving as both a flow channel and a radiator. A correctly routed line allows for:

• lowering the operating temperature of the power steering fluid under prolonged system load,
• maintaining stable operating parameters for the pump and steering gear,
• reducing the risk of operating pressure drops due to fluid overheating,
• increasing the system's resistance to intensive urban and highway driving.

A properly functioning cooling hose is particularly important in vehicles with a hydraulic pump-based power steering system, where stable fluid temperature directly impacts steering smoothness and seal lifespan.

Compatibility with Mercedes-Benz W203 and C209

The offered component is specifically designed for the power steering systems in Mercedes C-Class W203 generation models and the C209 coupe body style. This means the hose's geometry, mounting points, and connection diameters are adapted to the factory routing in these vehicles. Consequently, installation is straightforward, without the need for modifications or adjustments of universal replacements.

As part of the Power Steering Pumps group, the cooling hose works with original Mercedes hydraulic components, maintaining the structural integrity of the entire system. This is the preferred solution for vehicle servicing where preserving factory operating parameters is crucial.

Component Characteristics and Application Benefits

This version of the power steering cooler hose is an OEM part, meaning it adheres to original design and material standards. In practice, this translates to:

• correct fitment with body mounts and brackets,
• appropriately sized flow diameter for the Mercedes-Benz power steering system,
• compatibility with original hydraulic connectors,
• consistency with the factory routing of hoses in the engine bay.

For the user, this means the ability to restore proper power steering system function without altering the vehicle's structure. Original fitment minimizes the risk of leaks, improper hose positioning, or interference with other engine bay components.

Component Condition and Installation Aspects

The power steering cooler hose is offered as a part from the Power Steering Pumps category, prepared for reinstallation in the vehicle after verification by a mechanic. During installation, it is recommended to:

• check connection tightness after the initial engine start,
• verify the correct routing of the hose relative to moving and hot components,
• bleed the power steering system according to the service procedure for Mercedes-Benz W203/C209.

A correctly installed hose contributes to maintaining stable system operating parameters, which is especially important in vehicles subjected to intensive use or with higher mileage.

Part Selection by Numbers and Technical Support

For precise selection of the cooling hose for a specific engine version and year, it is advisable to use catalog numbers and vehicle data. If you have doubts about compatibility with a particular power steering system configuration, procedures for selecting parts by manufacturer number and chassis number can be helpful.

If you are planning comprehensive servicing of hydraulic and fuel systems in your car, it is worth consulting the guide on diagnostics and repair of fuel supply components, available in the article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which discusses practical principles for working with OEM components.

If you are considering replacing multiple hydraulic components in your Mercedes and want to maintain the integrity of the power steering system, check the available parts in the Mercedes Power Steering Pumps category.