Ford Focus Mk2 Windscreen Washer Fluid Tank Reservoir 4M51-13K163-AE

Ford Focus Mk2 Windscreen Washer Fluid Tank Reservoir is an original component of the washer system, designed for installation in second-generation Ford Focus models. Thanks to its factory design, it ensures proper supply of the washer system with fluid, stable mounting in the body compartment, and compatibility with factory pumps and hoses. Using an OEM component is a sensible choice for vehicle maintenance when you want to maintain factory geometry and system reliability.

Specifications and technical data

• SKU: 4M51-13K163-AE
• Mark: Ford
• Condition: Used
• OEM Part Number: 4M51-13K163-AE
• Substitutable numbers: 4M51-13K163-AE, 4M5113K163AE, 1497707, 4M51-13K163-AG, 4M5113K163AG
• Part type: Reservoir
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and function in the washer system

The described reservoir is part of the Washer fluid reservoirs, pumps, and nozzles group, responsible for storing fluid and delivering it stably to the pumps and further to the nozzles on the windshield. A correctly selected reservoir eliminates the risk of leaks, system aeration, and improper mounting, which translates into effective windshield cleaning in all weather conditions.

Proper fitment of the component to the specific body version of the Focus Mk2 allows for maintaining:

• factory mounting points in the body,
• correct routing of fluid hoses,
• appropriate operating capacity of the washer system.

Construction and fitment for Ford Focus Mk2

Ford Focus Mk2 Windscreen Washer Fluid Tank Reservoir has been designed by the vehicle manufacturer for full integration with the factory washer system. The shape of the reservoir is adapted to the mounting space in the body compartment, which facilitates installation and removal during service. Properly formed pump sockets and connection ports ensure a tight connection with the fluid system.

The original Ford component also means:

• material consistency with other system elements,
• maintenance of factory dimensional tolerances,
• compatibility with standard brackets and covers.

Benefits of using an original, used reservoir

Using a used OEM component instead of a damaged reservoir allows for reducing repair costs while maintaining factory fitment quality. Compared to low-budget replacements, the original washer reservoir usually works better with existing mounts and installation, which shortens installation time and reduces the risk of subsequent leaks.

When replacing the reservoir, it is worth checking the condition of the pumps, hoses, and washer nozzles at the same time to restore the full efficiency of the entire system in one service operation. This improves visibility while driving and increases safety in difficult road conditions.

Integration with other fluid system components and diagnostics

During service work on the washer system, other systems dependent on operating fluids, such as the cooling system or fuel system, are often diagnosed in parallel. To deepen your knowledge about the operation of supply systems and the selection of parts by OEM numbers, it is worth reading the article describing diagnostics, selection, and operation of fuel supply components – this is discussed in detail in the entry Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Expanding Ford washer system service

If you are planning a comprehensive repair or upgrade of the area responsible for windshield cleanliness in your Ford and need other elements from the same group, such as additional reservoirs, pumps, or washer nozzles, check the available parts in the category Ford washer fluid reservoirs, pumps, and nozzles.

Summary

Ford Focus Mk2 Windscreen Washer Fluid Tank Reservoir is a practical solution for drivers who want to restore full functionality of the washer system while maintaining the factory installation standard. A used, original Ford component allows for an economical, yet technically correct repair, supporting safe vehicle operation in everyday road conditions.