Audi A4 B8 Auxiliary Water Coolant Pump Mount Bracket 2.0 TDI 04L965559

Audi A4 B8 Auxiliary Water Coolant Pump Mount Bracket 2.0 TDI is an original component from the Water pumps group, designed for the stable mounting of the auxiliary pump in the diesel engine cooling system. The precise geometry of the bracket ensures proper positioning of the pump relative to hoses and other components, which translates into safe and predictable operation of the entire system. As a part sourced from an Audi vehicle, the bracket maintains factory standards of workmanship and fitment.

Specifications and technical data

• SKU: 04L965559
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L965559
• Substitutable numbers: 04L965559, 04L 965 559
• Category: Water Pumps

Purpose and function of the bracket

The presented bracket is a mounting component dedicated to the auxiliary water pump in 2.0 TDI units used in the Audi A4 B8. Its task is to provide rigid, repeatable mounting of the pump to the body or engine assembly, in order to reduce vibrations, hose stress, and the risk of leaks in the cooling system. Proper support of the pump contributes to uniform coolant flow and stable operation of the entire system.

Construction and mounting fitment

The bracket has been designed as a structural element that works with the factory mounting points in the Audi A4 B8. The arrangement of the mounting holes and the shape of the contact surfaces are adapted to the original geometry of the engine bay, which facilitates installation and eliminates the need for modifications. As a result, compatibility with the factory routing of hoses and accessories is maintained, and the pump remains secured in the position intended by the vehicle manufacturer.

Benefits of using an original bracket

Using an original auxiliary water pump mounting bracket allows you to avoid problems typical of aftermarket replacements with inaccurate geometry. Key advantages include:

• stable pump support, reducing the transmission of vibrations to hoses and connectors,
• maintenance of the factory mounting position, promoting proper coolant flow,
• easier installation thanks to compatibility with original mounting points,
• consistency with other cooling system components in the Audi A4 B8.

For the user, this means more predictable operation, a lower risk of leaks, and reduced stress on cooling system hoses and joints.

Condition of the part and service application

The offered bracket is sourced from disassembly and is a used part, which makes it an attractive cost-effective solution while maintaining the original mounting specification. It is suitable both for replacing a damaged bracket due to collision or corrosion, and for completing the cooling system during engine swaps or repairs of the 2.0 TDI engine in the Audi A4 B8. Choosing an original mounting component reduces the risk of fitment issues and helps maintain the structural integrity of the vehicle.

Cooling system expansion and part selection

When working with the auxiliary water pump, it is worth paying attention to the condition of hoses, clamps, connectors, and the pump itself to avoid the need for re-disassembly in the near future. Proper selection of mounting components and accessories has a direct impact on the durability of the cooling system and the stability of the engine operating temperature, especially in diesel units operated under varying load conditions.

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as pump bodies, housings, or supports, check the available parts in the Audi water pumps category.

To better plan service work within the fuel supply and engine accessory systems, our guide on diagnostics and component selection may be helpful – details can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

In the context of operation in high temperatures and the impact of thermal load on the durability of engine accessories, it is also worth reading our guide on optimizing cooling system performance, available in the material Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.