Audi A5 8T Mirror Switch Optic Light For Folding Mirrors 8T0919173A

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A5 8T Mirror Switch Optic Light For Folding Mirrors is an original component from the Switches, control elements and ignition switches group, designed for precise control of side mirrors in Audi models. This used OEM component ensures factory compatibility with the vehicle's electrical system and a consistent look with other cockpit elements. It is a practical solution for drivers who want to restore full mirror adjustment functionality without interfering with the electrical wiring.

Specifications and technical data

• SKU: 8T0919173A
• Mark: Audi
• Condition: Used
• OEM Part Number: 8T0919173A
• Substitutable numbers: 8T0919173A, 8T0 919 173 A
• Category: Switches & Controls

Function and application of the mirror switch

The switch is responsible for electric side mirror control, enabling smooth adjustment from the driver's door. Thanks to its factory design, it ensures:

• precise adjustment of the field of view on the driver and passenger side,
• convenient one-handed operation without taking your eyes off the road,
• consistent operation with the original door module and Audi's electrical system.

This is particularly important for daily vehicle use, frequent parking maneuvers, and when changing drivers, where quick mirror adjustment is necessary.

Design and integration with the Audi interior

As an OEM component, the switch is designed to fit perfectly into the door panel of the Audi A5 8T. This means maintaining:

• original mounting geometry,
• factory shape of the knob and housing,
• consistent color and texture of the material with other trim elements.

As a result, after installation, the switch does not visually differ from other cockpit components, and operation remains intuitive for users accustomed to Audi ergonomics.

Benefits of using an original used part

Using an original switch from disassembly is a reasonable compromise between cost and quality. The used OEM component:

• retains factory operating parameters and performance characteristics,
• eliminates the risk of fitment issues typical of aftermarket replacements,
• allows for quick replacement without modifying the installation or custom mounting.

For workshops and individual users, this means stable operation of the mirror control system and reduced time required for installation and diagnostics.

Part selection by numbers and vehicle system integration

The switch belongs to the Switches, control elements and ignition switches group, which facilitates its identification in parts catalogs and service systems. The product has a dedicated OEM number and interchangeable numbers, allowing it to be precisely matched to a specific Audi equipment configuration. This is especially important when working with vehicles after upgrades or with different versions of electrical door equipment.

If you are planning a comprehensive repair or upgrade of the driver's door control zone in your Audi and need other elements from the same group, such as knobs, buttons, or control modules, check the available parts in the Audi switches, control elements and ignition switches category.

Safety and operation

A functional mirror switch has a direct impact on driving safety, as it allows for quick adjustment of the field of view to current road conditions. A properly working component:

• facilitates blind spot monitoring,
• improves maneuvering comfort in tight spaces,
• reduces the need for manual mirror position correction.

In the case of parallel work on the braking system or other key vehicle systems, it is worth checking out practical tips on selecting used parts – you can find them in the article Second-hand braking system: how to safely choose discs, calipers, and ABS?, which shows what to look for when purchasing components from disassembly.