Audi Q2 GA Brake Caliper Rear Left N/S Brake Unit 5Q0615423E

Audi Q2 GA Brake Caliper Rear Left N/S Brake Unit is an original braking system component from the Brake calipers and brackets group, designed for installation on the rear left axle of the vehicle. This used OEM component ensures a proper fit to the Audi braking system design, maintaining factory mounting points and operating characteristics. It is a practical solution for users looking for a proven, serial part instead of replacements of unknown origin.

Specifications and technical data

• SKU: 5Q0615423E
• Mark: Audi
• Condition: Used
• OEM Part Number: 5Q0615423E
• Substitutable numbers: 5Q0615423E, 5Q0 615 423 E
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and function in the braking system

The presented caliper is dedicated for installation on the rear left side of the vehicle, which is significant in terms of both construction and safety. It is responsible for evenly pressing the brake pads against the disc, stabilizing the braking force on the rear axle and working in conjunction with other system elements.

As an OEM part from Audi, the caliper has been designed for specific vehicle parameters, ensuring it maintains the correct geometry, piston travel, and compatibility with factory lines and mounts. This facilitates installation and reduces the risk of fitment issues typical of generic aftermarket replacements.

Benefits of using an original caliper

Using an original brake caliper in the Audi Q2 GA translates into:

• consistency with the factory braking system design – maintaining the braking characteristics intended by the manufacturer,
• secure fitment to the hub, carrier, and brake pads,
• easier diagnostics and future servicing, thanks to compliance with Audi service documentation,
• the ability to use existing mounting points and standard mounting accessories.

For users who want to restore the proper operation of the braking system after damage or wear of the previous element, such a caliper is a reasonable, technically sound choice.

Installation and operational characteristics

The caliper is designed to work in the standard hydraulic braking system of the Audi Q2 GA. Its placement on the rear left side of the vehicle means the construction is prepared for the specific rotation direction of the disc, brake line routing, and the method of attachment to the steering knuckle or carrier.

During replacement, it is recommended to:

• check the condition of the brake discs and pads on the given axle,
• inspect the brake line for any potential leaks,
• bleed the system after installation, in accordance with the service procedure for the specific Audi model.

This approach allows you to fully utilize the potential of the installed caliper and maintain stable braking performance in daily operation.

Selecting a used caliper and safety

When choosing a used brake caliper, many drivers look for a compromise between cost and functionality. It is crucial to pay attention to compatibility with the vehicle model, the side of installation, and the construction group to which the element belongs. In the case of the Audi Q2 GA, using a dedicated, original rear left caliper allows you to maintain the operating characteristics intended by the manufacturer.

If you want to organize the process of selecting braking components from the secondary market and use a practical checklist, the following article will be helpful: Second-hand braking system: how to safely select discs, calipers, and ABS?. There, you will find tips on how to assess the condition of used components and what to look for when purchasing.

Expanding your Audi braking system upgrade

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, carriers, or mounting brackets, check out the available parts in the Audi brake calipers and brackets category.