Mercedes-Benz A-Class W168 Engine Water Pump Pulley A1662020010

Mercedes W168 Water Pump Impeller is a specialized cooling system component designed for rear-mounted installation. This part, from the Water Pumps category, ensures proper drive transmission to the coolant pump, contributing to stable engine operation and safe driving conditions. Being an original Mercedes part, it is technically matched to the W168 model's construction.

Specifications and technical data

• SKU: A1662020010
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1662020010
• Substitutable numbers: A1662020010, A 166 202 00 10
• Location on the vehicle: Rear
• Category: Water Pumps

Purpose and Function of the Water Pump Impeller

The water pump impeller in the Mercedes W168 is responsible for the mechanical coupling between the drive and the coolant pump, enabling efficient fluid circulation within the cooling system. A correctly selected component of this type reduces the risk of engine overheating, stabilizes operating temperature, and supports the longevity of other engine components.

Its rear-mounted placement allows for precise integration with the specific drive configuration, which is important for both correct installation and subsequent servicing. A properly chosen water pump impeller also reduces stress on the pump's bearings and seals.

Benefits of Using an Original Mercedes Part

Choosing a water pump impeller dedicated to the Mercedes W168 ensures:

• preservation of factory geometry and fit with the drivetrain,
• proper interaction with the coolant pump and other ancillary components,
• consistency with manufacturer's service documentation and parts catalogs.

This leads to predictable installation and minimizes the risk of problems arising from mismatched aftermarket parts. For the user, this translates to stable cooling system operation and easier future diagnostics.

Condition and Practical Application

The offered water pump impeller is a used part, allowing for economical repairs while maintaining the original manufacturer's specifications. This type of part is particularly suitable for daily driven vehicles where cost-effective servicing is important, while still ensuring correct cooling system operating parameters.

In practice, installing a used water pump impeller is a common choice when replacing the pump, repairing engine ancillaries, or restoring vehicle functionality after a cooling system failure. Maintaining compliance with manufacturer markings facilitates the selection of the correct component for a specific Mercedes W168 version.

Part Selection by Numbers and Technical Support

The water pump impeller is assigned a specific OEM part number and has interchangeable numbers, enabling precise identification in catalogs and service systems. Verifying compatibility by manufacturer numbers or by the vehicle's VIN minimizes the risk of purchasing an incorrect part and speeds up the repair process.

For users interested in a broader context of selecting and diagnosing components within the pump and fuel supply systems, an article discussing identification principles by OEM and VIN numbers, as well as component repair and operation, may be useful. Details can be found in the material Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which clarifies many practical workshop-related issues.

Related Parts from the Mercedes Water Pumps Category

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as pump housings, seals, or additional drive components, check the available parts in the Mercedes Water Pumps category.

For a broader perspective on selecting original, used components for popular car models, including Mercedes, it is also worth consulting the buying guide Best Used Car Parts – A Guide to the Most Popular Original Parts, which helps in making informed decisions for vehicle repairs and upgrades.