Audi A4 B8 Windscreen Washer Fluid Tank Wash Pump 8K9955647

Audi A4 B8 Washer Fluid Reservoir Pump 8K9955647 is an original part from the Washer Tanks, Pumps, and Nozzles group, designed for the windscreen cleaning system in Audi vehicles. A used OEM part ensures factory fit, stable operating parameters, and proper washer fluid circulation in daily use.

Specifications and technical data

• SKU: 8K9955647
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K9955647
• Substitutable numbers: 8K9955647, 8K9 955 647, 1K6955651, 1J6955651, 95562817201
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and Function in the Washer System

The washer fluid reservoir pump is responsible for delivering fluid from the reservoir to the nozzles on the windscreen, enabling effective removal of dirt from the front windscreen while driving. For Audi A4 B8 models, using an original pump from the same product line guarantees correct operating pressure, an even fluid stream, and compatibility with the factory electrical and hydraulic systems.

Thanks to its design compliant with manufacturer standards, this component works with the standard wiper control system, maintaining the washer system's performance characteristics as intended by Audi.

Benefits of Using an Original Audi Pump

Choosing an original Audi washer pump translates into a number of practical advantages for daily vehicle use:

• factory fit for the Audi A4 B8 installation, without the need for wiring or hose modifications,
• stable washer system operation across a wide range of weather conditions,
• maintenance of the fluid delivery performance specified by the manufacturer,
• compatibility with other system components, such as the washer tank and nozzles.

A used OEM part offers a sensible compromise between cost and quality – it allows you to maintain the washer system's functionality while adhering to the manufacturer's original technical specifications.

Part Condition and Installation Aspects

The offered pump is a used original part obtained from disassembly, meaning it was manufactured to Audi standards, and its geometry and mounting points correspond to the factory solutions used in the A4 B8. This ensures a predictable installation process, utilizing standard brackets, connectors, and fluid lines.

Before installation, a standard service procedure is recommended: checking hose seals, nozzle condition, and washer fluid reservoir cleanliness to fully utilize the potential of the newly installed pump and avoid secondary faults caused by system contamination.

Selection by Numbers and Vehicle System Compatibility

The part has a dedicated OEM part number and a set of interchangeable numbers, which facilitates precise identification and selection for a specific Audi A4 B8 configuration. In practice, this means compatibility can be verified by both the manufacturer's number and reference numbers used in parts catalogs, which is particularly important for workshop operations and online orders.

If you have doubts about selection, it is advisable to consult the vehicle's VIN and service documentation to confirm full compatibility with your specific car model and avoid installation issues.

If you are planning a comprehensive repair or upgrade of the washer system area in your Audi and need other parts from the same group, such as the fluid tank, additional pumps, or washer nozzles, check the available parts in the Audi Washer Tanks, Pumps, and Nozzles category.

Operation, Diagnostics, and Technical Knowledge

A functional washer system directly impacts visibility and driving safety, especially in conditions of rain, slush, or heavy road dirt. Symptoms such as no fluid delivery, uneven spray, or intermittent operation may indicate pump wear, system blockage, or electrical supply issues.

For users and workshops looking to deepen their knowledge of diagnostics and selection of power supply components in vehicles, the material describing the principles of operation of supply systems and the selection of components by OEM numbers may be useful – you can find it in the article "Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair", which organizes the approach to part identification, fault symptom analysis, and component repair.

If you are also interested in the economic and environmental aspects of using parts from disassembly, it is worth reading the guide "Circular Economy in Your Garage – How Choosing Used Parts from Disassembly Truly Supports Environmental Protection and Your Wallet?", which shows how a conscious choice of used components can support sustainable vehicle operation.