Audi A5 S5 8T Air Filter Box Housing Air Intake Silencer 8K0133835Q

The Audi A5 S5 8T Air Filter Housing is an original intake system component, designed by Audi for stable engine operation and proper suppression of intake air noise. This used airbox body with an integrated intake silencer provides a solid foundation for professional repair or restoration of the original intake parameters in your Audi A5 or S5 generation 8T.

Specifications and technical data

• SKU: 8K0133835Q
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0133835Q
• Substitutable numbers: 8K0133835Q, 8K0 133 835 Q, 8K0133837Q, 8K0 133 837 Q
• Part type: Air Filter Housing
• Category: Air Filter Housings

Purpose and Function in the Intake System

The presented housing belongs to the Air Filter Housings group and is responsible for the sealed channeling of air from the inlet to the filter element and further to the intake manifold. The integrated intake silencer reduces resonance and acoustic vibrations, contributing to smoother engine operation and a more comfortable cabin environment.

The airbox design has been specifically developed for the Audi A5 / S5 8T platform, ensuring correct mounting in the engine bay, proper routing of intake ducts, and compatibility with factory brackets and accessories.

Construction and Technical Features of the Air Filter Housing

The Audi air filter housing is constructed as a rigid, multi-element body that combines the filter chamber and the intake silencer section. This architecture allows for:

• maintaining the proper rigidity of the intake system,
• limiting undesirable air turbulence before the airflow meter,
• reducing intake noise at higher RPMs,
• easy service access to the air filter element.

Thanks to the factory Audi design, the housing works with standard mountings and ducts, facilitating installation and minimizing the risk of intake system leaks.

Benefits of Using an Original Audi Housing

Using an original air filter housing in the Audi A5 / S5 8T allows you to maintain the parameters intended by the vehicle manufacturer. Key benefits include:

• Factory Fitment – compatibility with engine bay geometry and standard mounting points.
• Stable Engine Operating Conditions – proper air routing promotes uniform engine supply.
• Reduced Intake Noise – the integrated intake silencer reduces suction sounds, improving acoustic comfort.
• The ability to use existing accessory components, such as intake ducts or sensors, without the need for modifications.

Condition, Fitment, and Service Application

The item is offered as a used part, making it a sensible choice for maintenance repairs or restoring the car to a near-factory condition after mechanical damage in the engine bay. The original air filter housing is suitable for both standard replacement of a damaged airbox and comprehensive overhaul of the intake system after an accident or tuning interventions.

To ensure you select the correct component, it is advisable to compare the manufacturer's markings and interchangeable numbers with your vehicle's specifications. The VIN number and service documentation for your specific Audi A5 or S5 can be helpful in the verification process.

How to Select the Correct Air Filter Housing by VIN and OEM Number

When selecting intake system components for Audi, it is particularly important to verify compatibility with the engine version and production year. In practice, the safest approach is to verify by OEM number and interchangeable numbers, as well as comparing the shape and mounting points with the part installed in the vehicle. If you want a step-by-step guide to the verification process, consult the advice in the article Guide: How to Select the Correct Car Part by VIN and OEM Number.

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 additional housings, intake ducts, or filter mounting elements, check the available parts in the Audi Air Filter Housings category.