Audi RSQ3 F3 Brake Caliper Braking Unit Rear Left N/S 5Q0615423G

Visual condition of the part

The product shows signs of use visible in the photos.

Audi RSQ3 F3 Brake Caliper Braking Unit Rear Left N/S is an original braking system component from the Brake Calipers and Brackets group, designed for installation on the rear left axle of the vehicle. The red finish emphasizes the sporty character of the RS version, while the factory design ensures a perfect fit for the Audi braking system. This is a solution for users who expect precise brake performance and consistency with factory specifications.

Specifications and technical data

• SKU: 5Q0615423G
• Mark: Audi
• Condition: Used
• OEM Part Number: 5Q0615423G
• Substitutable numbers: 5Q0615423G, 5Q0 615 423 G
• Location on the vehicle: Rear, Left
• Part type: Brake Caliper
• Color: Red
• Category: Calipers & Brackets

Purpose and function in the braking system

The presented caliper is designed to operate on the rear left side of the vehicle, where it is responsible for evenly pressing the brake pads against the disc and stabilizing braking force. As a component dedicated to the Audi RSQ3 F3, it works with the factory brake master cylinder, lines, and discs, maintaining proper braking characteristics during daily driving and dynamic acceleration.

The placement on the vehicle has been selected to maintain the correct distribution of forces in the braking system, which translates into predictable vehicle behavior during emergency braking, on wet surfaces, or in corners.

Construction, color, and visual aspect

The caliper belongs to the Brake Calipers and Brackets group, meaning it serves both a functional and mounting role in relation to other system components. The design provides stable mounting to the steering knuckle and proper guidance of the brake pads, which reduces the risk of uneven pad wear.

The red color of the housing is not only aesthetic but also practical – it facilitates visual inspection of the caliper condition through the rim while emphasizing the sporty character of the RSQ3 version. For users who care about a consistent look for their car, this is an important styling element of the rear axle.

Condition, origin, and benefits of using a used part

The item is offered as a used part, which allows for a significant reduction in repair costs compared to a new component, while maintaining the original Audi design. In practice, this means the ability to restore full braking system efficiency without having to resort to aftermarket replacements with uncertain parameters.

Choosing an original, used caliper is particularly beneficial in the case of post-accident repairs or replacing a single component after guide pins seize or mechanical damage occurs. This allows for maintaining component consistency on the axle and avoiding differences in operating characteristics between the left and right sides.

Selection, compatibility, and mounting aspects

To correctly select the caliper for a specific Audi RSQ3 F3, it is worth verifying the markings in the vehicle's technical specification and comparing the mounting parameters with the currently installed component. The product has assigned OEM part numbers and interchangeable numbers, which facilitates clear identification and minimizes the risk of selecting an incorrect variant.

During installation, it is recommended to:

• replace or thoroughly check the brake pads working with the caliper,
• check the condition of the brake disc on the rear left axle,
• bleed the braking system after connecting the brake line,
• check the free movement of the guide pins and the correct return of the piston.

Such an approach allows for fully utilizing the potential of the caliper and reducing the risk of uneven braking on the rear axle.

Braking system expansion and educational materials

If you are planning a comprehensive repair or upgrade of the braking zone in your Audi and need other elements from the same group, such as additional calipers, brackets, or mounting holders, check the available parts in the Audi Brake Calipers and Brackets category.

Before making a decision to purchase a used caliper, it is worth expanding your knowledge on the safety and cost-effectiveness of such solutions – practical tips regarding selection, condition verification, and cost optimization can be found in the article "Brake calipers under the microscope: How to effectively reduce braking system repair costs by choosing proven recycled parts".

Summary

The Audi RSQ3 F3 Brake Caliper Braking Unit Rear Left N/S in a red finish is a solution for drivers who want to maintain factory braking characteristics and the sporty look of the rear axle. The original design, dedicated vehicle placement, and the ability to significantly reduce repair costs by using a used part make this a technically sound choice when servicing the braking system in an Audi RSQ3 F3.