Audi A3 8P A4 S4 8H A5 S5 8F A6 S6 4B Turbocharger Banjo Bolt 8x4 WHT000223

Audi A3 8P A4 S4 8H A5 S5 8F A6 S6 4B Turbocharger Banjo Bolt from the Turbochargers and parts category is a precision mounting component designed for forced induction systems in selected Audi models. Its original Audi OE origin ensures proper geometric fitment and compliance with factory manufacturer requirements, which is crucial when operating under high pressure and temperature conditions.

Specifications and technical data

• SKU: WHT000223
• Mark: Audi
• Condition: Used
• OEM Part Number: WHT000223
• Substitutable numbers: WHT000223, WHT 000 223
• Category: Turbos & Parts

Application in the forced induction system

The banjo bolt used within the turbocharger is responsible for a tight and stable connection of oil or pressure lines to the turbine housing. In Audi A3, A4, S4, A5, S5, A6, and S6 vehicles, its proper operation contributes to:

• maintaining adequate oil pressure in the turbocharger,
• limiting the risk of leaks at critical points in the system,
• stable rotor operation at high RPMs.

Thanks to its hollow design, the component allows the flow of the working medium inside while ensuring the mechanical rigidity of the connection.

Benefits of using an original banjo bolt

In forced induction systems, dimensional tolerances are very tight, which is why using a factory component is particularly important. The original banjo bolt for Audi models ensures:

• compliance with factory geometry of the seats in the turbocharger and lines,
• properly selected flow diameter for the working medium,
• compatibility with tightening torques specified by the manufacturer.

Such fitment reduces the risk of micro-leaks, which could lead to a drop in oil pressure, turbine overheating, or accelerated wear of rotating elements. For the user, this means more predictable operation of the forced induction system and easier diagnostics in case of potential faults.

Characteristics of the used component

The presented banjo bolt is a used item, which in practice means it comes from disassembly but retains the functionality required for re-installation. For this type of component, it is crucial to ensure:

• the integrity of the thread on the turbine and line side,
• no deformation in the medium flow zone,
• the ability to be properly tightened to the recommended torque.

A used mounting component of this type is often chosen during turbocharger service when the original bolt has suffered mechanical damage or corrosion, and the owner wants to maintain compliance with the factory solution at a reasonable repair cost.

Selection and compatibility within the Audi group

The banjo bolt was designed for specific engine variants used in the Audi A3 8P, A4 and S4 8H, A5 and S5 8F, and A6 and S6 4B. In practice, this means that:

• its length and diameter are matched to factory lines and the turbine housing,
• the thread profile corresponds to the seats used in these power units,
• it can replace other banjo bolts provided by the manufacturer within the same design group.

When selecting, it is worth using the manufacturer's markings and service documentation to confirm compatibility with the specific engine version and the turbocharger used.

Support for forced induction system upgrades

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as turbine housings, oil lines, or small mounting parts, check the available parts in the Audi Turbochargers and parts category.

Additional technical materials

When working in the engine bay, other service tasks are often performed in parallel, including checking the vehicle's lighting. In the context of selecting and replacing lighting components, such as LED headlights or Xenon systems, the following guide may be helpful: See more and better – a complete guide to selecting and replacing used LED and Xenon headlights.