Audi RS3 F3 RSQ3 F3 Fuse Box Housing Module Left N/S 2.5 TFSI 3Q0937125C

Audi RS3 F3 RSQ3 F3 Fuse Box Housing Module Left N/S 2.5 TFSI is an original electrical system component designed for installation on the left side of Audi RS3 F3 and RSQ3 F3 family vehicles. Thanks to its factory-spec construction, it ensures proper circuit routing, fuse protection, and stable electrical connections under the demanding operating conditions of the 2.5 TFSI unit. This solution is dedicated to users who expect consistency with Audi's factory electrical architecture.

Specifications and technical data

• SKU: 3Q0937125C
• Mark: Audi
• Condition: Used
• OEM Part Number: 3Q0937125C
• Substitutable numbers: 3Q0937125C, 3Q0 937 125 C
• Location on the vehicle: Left
• Category: Fuses & Fuse Boxes

Purpose and function in the electrical system

The presented fuse box belongs to the Fuses and Fuse Boxes category and is responsible for organizing and protecting electrical circuits on the left side of the vehicle. In Audi RS3 F3 and RSQ3 F3 models with the 2.5 TFSI engine, this component serves as a vital power distribution hub for key consumers, minimizing the risk of overloads and facilitating the diagnosis of potential faults.

The placement on the left side of the vehicle promotes the maintenance of original wiring harness routing, which translates into a clear cable layout, proper ventilation of the mounting space, and easier service access during inspections or repairs.

Construction and fitment for Audi RS3 F3 / RSQ3 F3

The fuse box has been designed by the manufacturer for precise fitment to the Audi body and electrical system. This means:

• factory mounting points compatible with the original brackets in the body,
• adaptation to the standard wiring harnesses used in RS3 F3 and RSQ3 F3 versions,
• fuse socket layout consistent with Audi service documentation.

Such fitment reduces the need for any modifications, supports order in the mounting compartment, and facilitates the subsequent identification of individual circuits.

Characteristics of the used component

The offered fuse box is a used part, sourced from dismantling, which allows for maintaining original Audi specifications while reducing repair costs. A used component of this type is particularly attractive for sports vehicles, where maintaining the factory electrical configuration is important for both reliability and the future value of the car.

Choosing an original, used fuse box instead of random replacements promotes the consistency of the installation and reduces the risk of compatibility issues with other vehicle modules.

Practical application and benefits of installation

Installing this fuse box on the left side of the vehicle allows for restoring the proper operation of fuse-protected circuits in the event of damage to the previous element (e.g., mechanical, thermal, or resulting from interference with the installation). In practice, this means:

• organized, factory-compliant power distribution,
• easier location and replacement of individual fuses,
• reduced risk of improper makeshift connections.

For users of the Audi RS3 F3 and RSQ3 F3 with the 2.5 TFSI unit, this is a solution that allows for a technically correct repair of the electrical system, without compromises in terms of fitment and functionality.

Consistency with service policy and vehicle value

The use of original, used electrical components is often recommended in premium-class vehicles because it allows for maintaining compliance with manufacturer documentation and facilitates future service. If you want to better understand the impact of such decisions on the car's resale value, it is worth reading the article Original used parts vs. car resale price – how not to lose?.

If you are planning a comprehensive repair or upgrade of the electrical system area in your Audi and need other elements from the same group, such as additional boxes, sockets, or protection modules, check the available parts in the Audi Fuses and Fuse Boxes category.