Audi A4 B7 1.8 T BFB Petrol Engine Air Pump Intake Hose Line Tube 06B133817S

Audi A4 B7 1.8 T BFB Petrol Engine Air Pump Intake Hose Line Tube is a component from the Lines, hoses and pipes category, designed for the petrol engine supply system. It is responsible for the stable routing of secondary air, which promotes proper engine operation and reduces exhaust emissions. This is a practical solution for users who want to restore the correct operation of the system without the need for aftermarket replacements of unknown origin.

Specifications and technical data

• SKU: 06B133817S
• Mark: Audi
• Condition: Used
• OEM Part Number: 06B133817S
• Substitutable numbers: 06B133817S, 06B 133 817 S
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and function in the engine system

The offered air pump hose set is dedicated to the petrol unit, where secondary air is directed to the appropriate channels to support the combustion process. Properly selected hoses help maintain stable pressure and flow, which translates into smooth engine operation and correct interaction with the control electronics.

This component is particularly important in the context of:

• maintaining the tightness of the air supply system,
• ensuring proper flow during the engine start-up and warm-up phase,
• reducing diagnostic errors related to the secondary air system.

Construction and technical characteristics

The air pump hoses in this Audi model form a system with a defined geometry, matched to the engine compartment and the layout of the accessories. The shapes and diameters used are selected to minimize pressure drops and the risk of vibration or rubbing against adjacent components. As a result, the installation is orderly, and the hoses maintain a stable position after mounting.

The original design of the hoses ensures:

• proper routing of the air stream towards the pump and other system components,
• compatibility with factory brackets and mounts in the engine compartment,
• consistency with the petrol unit operating parameters specified by the manufacturer.

Benefits of using original hoses

Using air pump hoses that comply with factory specifications reduces the risk of leaks, which can lead to a drop in performance or the appearance of errors in the engine control unit. By choosing this component, the user gains a solution tailored to the specific model, without the need for modifications or the use of additional adapters.

Key advantages include:

• secure fit for the petrol system – compliance with the design assumptions of the power unit,
• orderly routing of hoses in the engine compartment,
• reduced risk of incorrect installation due to the factory shape and mounting points.

Product condition and service application

The offered component is used, which makes it a reasonable choice for service repairs when the priority is to maintain the original design while optimizing costs. This type of solution works particularly well in vehicles used on a daily basis, where functionality, compliance with the factory design, and the possibility of quick replacement without additional modifications are important.

The air pump hoses can be used both for typical system repairs and for replacing damaged or leaky sections that cause disturbances in the operation of the petrol engine.

System expansion and related components

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 additional lines, hoses, or air pipes, check the available parts in the Audi lines, hoses and pipes category.

If you want to better understand when choosing parts from the secondary market makes sense and how to approach assessing their technical condition, the following guide article may be helpful: Used parts – is it worth it? Key benefits and what to look out for.