Audi A5 S5 S5 8T 4.2 FSI Alternator Bracket Mount Holder 079903805AF

Audi A5 S5 S5 8T 4.2 FSI Alternator Bracket Mount Holder is an original component from the Alternator and generator parts category, designed for 4.2 FSI petrol engines in Audi A5 / S5 8T models. Its robust construction ensures stable mounting of the alternator, which translates into proper operation of the charging system and vehicle safety.

Specifications and technical data

• SKU: 079903805AF
• Mark: Audi
• Condition: Used
• OEM Part Number: 079903805AF
• Substitutable numbers: 079903805AF, 079 903 805 AF
• Fuel type: Petrol
• Category: Alternator & Generator Parts

Purpose and technical function

The alternator mounting bracket in the Audi A5 / S5 8T with a 4.2 FSI petrol engine is responsible for the precise positioning of the generator relative to the engine and accessories. A correctly selected holder:

• maintains the alternator in a stable position during engine operation,
• ensures proper drive belt tension,
• minimizes vibrations transmitted to the alternator,
• supports the smooth operation of the charging system under road conditions.

By using an original Audi component, the factory mounting geometry is maintained, which reduces the risk of misalignment and premature wear of the accessories.

Benefits of using an original alternator holder

Choosing an alternator bracket sourced from the dismantling of an original Audi vehicle is a solution that is both technically and economically advantageous. This type of component:

• is designed specifically for the 4.2 FSI petrol engine in the 8T body,
• retains factory mounting points and bolt spacing,
• facilitates installation without the need for modifications or adjustments,
• allows for maintaining the consistency of the drivetrain with other Audi components.

For users planning to service the charging system in an Audi A5 / S5 8T, using an original alternator holder is a practical way to maintain compliance with service documentation and the parameters specified by the manufacturer.

Condition, origin, and practical application

The presented bracket comes from an Audi vehicle and is offered as a used part, which allows for a significant reduction in repair costs compared to a new OEM component. At the same time, the construction remains consistent with factory standards, which is important when working in the demanding environment of the engine bay.

The component is dedicated to petrol units, making it particularly well-suited for servicing or upgrading the 4.2 FSI engine accessories in an Audi A5 / S5 8T, where correct alignment of the alternator relative to the crankshaft and other sub-assemblies is crucial.

Support for retrofits and upgrades

If you are planning to expand or modify the engine accessories in your VAG group vehicle, it is worth exploring the possibilities of using original elements from higher trim levels. Practical tips on selecting and installing used components can be found in the article Retrofitting in VAG and BMW group cars – how to wisely use used parts from higher versions, which will help you plan service and upgrade work in an informed and cost-effective manner.

Expanding Audi charging system service

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 housings, mounts, or additional alternator holders, check out the available parts in the Audi alternator and generator parts category.