Audi A3 8V Remote Key Fob Opener Lock 3 Button 434 Mhz 8V0837220T

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A3 8V Remote Key Fob Opener Lock is an original item from the Car keys and remotes category, designed for operating the central locking system in Audi A3 8V generation models. This used, factory-made remote ensures compatibility with the vehicle's electronics while maintaining the ergonomics and convenience typical of Audi for everyday use.

Specifications and technical data

• SKU: 8V0837220T
• Mark: Audi
• Condition: Used
• OEM Part Number: 8V0837220T
• Substitutable numbers: 8V0837220T, 8V0 837 220 T
• Category: Car Keys, Fobs & Remotes

Purpose and function of the key

The presented remote key is designed as a component of the Audi A3 8V central locking system, operating on a 434 MHz radio frequency. It is responsible for remotely locking and unlocking the vehicle, as well as providing quick access to the interior without the need for a traditional mechanical lock.

Thanks to its factory design, the key works with the original comfort module, which allows for full functionality of the vehicle's locking and unlocking system after proper adaptation and programming in the car.

Construction and performance parameters

The remote housing has been developed with everyday use in mind – its compact form makes it easy to carry in a pocket or case, and the button layout is intuitive and clear. Distinct button tactile feedback ensures reliable operation even when wearing gloves, and the manufacturer's design minimizes the risk of accidental presses.

The internal electronics are adapted for operation within the Audi electrical system, which facilitates integration with the vehicle's existing security system. The 434 MHz frequency used is a standard in many European models, which translates into stable communication with the car.

Product condition and practical aspects

The key is offered as a used item, which provides a cost-effective solution while maintaining the original manufacturer's specifications. This type of component is particularly useful when replacing a damaged remote, creating a spare key, or for modernization projects within the vehicle's locking system.

Due to the nature of this electronic part, proper programming in the vehicle using appropriate diagnostic equipment is required before full functionality can be utilized. This allows for the secure pairing of the key with the immobilizer and comfort system of a specific Audi A3 8V vehicle.

Application in tuning and retrofits

The used, original remote can be part of a broader equipment modernization project, e.g., when replacing a lock set, comfort module, or when equipping the car with an additional key. Combined with other dismantled components, it allows for cost optimization while maintaining factory quality and compatibility.

If you are interested in broader use of used parts in projects to improve the functionality and appearance of your car, it is worth checking out the guide Tuning with used parts – how to gain performance without spending a fortune, which discusses a practical approach to selecting components from the secondary market.

Expanding the Audi locking system

If you are planning a comprehensive repair or modernization of the security and cabin access area in your Audi and need other items from the same group, such as additional remotes, key housings, or remote control elements, check the available parts in the Audi car keys and remotes category.

For more advanced retrofit projects, including, for example, changing equipment configurations in VAG group vehicles, the following material on retrofitting may also be helpful: Retrofitting in VAG and BMW group cars: how to cheaply equip your car using used parts, which shows how to consciously plan modernizations using original, used components.