Audi A3 8P A4 B8 A5 8T Water Coolant Pump 1.8 TFSI Petrol 06H121026DS

Audi A3 8P A4 B8 A5 8T Water Pump 1.8 TFSI Petrol is an original part from the Water Pumps group, designed for 1.8 TFSI petrol engines. The used pump offers a functional solution for users seeking a proven engine cooling component while maintaining factory performance characteristics.

Specifications and technical data

• SKU: 06H121026BF
• Mark: Audi
• Condition: Used
• OEM Part Number: 06H121026BF
• Substitutable numbers: 06H121026BF, 06H 121 026 BF, 06H121026DS, 06H 121 026 DS
• Fuel type: Petrol
• Part type: Engine Water Pump
• Category: Water Pumps

Purpose and Role in the Cooling System

The water pump in 1.8 TFSI units is responsible for the forced circulation of coolant, which helps maintain a stable operating temperature of the petrol engine. A properly functioning component reduces the risk of overheating, supports uniform heat dissipation from the block and head, and stabilizes the operating conditions of the engine's auxiliary systems.

For Audi A3 8P, A4 B8, and A5 8T models, using the correct water pump is crucial not only for the durability of the powertrain but also for maintaining predictable fuel consumption parameters and the engine control system's operation.

Advantages of Using an Original Audi Pump

Using an original Audi water pump in a 1.8 TFSI engine ensures:

• factory fit for the cooling system of the specific model,
• maintenance of original coolant flow rates,
• compatibility with manufacturer-specified accessories and mounting points,
• consistency with service documentation and installation procedures.

Additionally, using a component from the same design group as the factory part simplifies diagnostics and subsequent service, as the pump's operating parameters align with the manufacturer's specifications.

Technical Characteristics and Compatibility

The presented water pump is designed for petrol-powered engines, which is significant in the context of the thermal characteristics of TFSI units. The pump's design is adapted to the specific operating requirements of these engines, including their operating temperature range and cooling system pressures.

The part comes from the Audi brand, meaning it meets original quality and dimensional standards. This allows for installation using the original mounting points, without the need for cooling system modifications or additional adapters.

Product Condition and Practical Application

The water pump is offered in used condition, making it a cost-effective yet technically compatible solution for users seeking a part for their Audi. This type of component is suitable for both standard replacement of a worn-out part and for repairs to the cooling system after a failure.

Choosing a used water pump from this product group allows for optimized service costs while maintaining compliance with the vehicle's factory specifications, which is particularly important for vehicles used intensively or with higher mileage.

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

To better understand the relationship between the cooling system and engine power supply, and to select components according to manufacturer designations, it is worth consulting the guide Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which helps to organize knowledge about the overall operation of the powertrain.

If you are considering broader vehicle modifications using proven used parts, the article Best Used Parts for Tuning Your Car, which describes a practical approach to selecting used components for upgrade projects, may provide inspiration.