Audi A6 C7 A7 4G Brake Caliper Rear Left N/S Wheel Brake 330x22 4G0615403A

Audi A6 C7 A7 4G Left Rear Brake Caliper 330X22 4G0615403A is an original part from the Brake Calipers and Brackets group, designed for the rear left axle of Audi vehicles. The used caliper is a functional service solution for drivers who want to restore the efficiency of the braking system while maintaining factory geometry and solid build quality.

Specifications and technical data

• SKU: 4G0615403A-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0615403A
• Substitutable numbers: 4G0615403A, 4G0 615 403 A
• Location on the vehicle: Rear, Left
• Part type: Brake Caliper
• Category: Calipers & Brackets

Purpose and Fitment

The presented brake caliper is designed to operate on the rear left axle of the vehicle, ensuring proper pad guidance relative to the disc and correct distribution of braking forces. The design adapted for a 330x22 disc allows for maintaining adequate friction surface and stable braking characteristics under typical operating conditions.

Original Audi origin promotes precise fitment to the steering knuckle, caliper bracket, and brake lines, reducing the risk of installation issues and system leaks.

Technical Characteristics of the Caliper

The caliper belongs to the group of working elements of the braking system, responsible for pressing the pads against the disc and converting hydraulic pressure into braking force. The design intended for use with a 330x22 disc ensures:

• stable pad guidance in the caliper bracket,
• proper piston travel across the full range of pad wear,
• adequate body stiffness during intensive braking.

Thanks to the use of factory solutions, compatibility with the stock brake master cylinder, lines, and other system components is maintained.

Service Application and Benefits of Installation

A used brake caliper of this type is suitable as a replacement part in case of wear, seized piston, or mechanical damage to the existing component. Choosing an original Audi component allows for:

• maintaining the factory operating parameters of the braking system,
• preserving compliance with the vehicle's stock configuration,
• reducing installation time due to predictable fitment.

For workshops and individual users, this means a simpler service process and a lower risk of requiring additional modifications.

Selection and Safety When Purchasing a Used Caliper

When choosing a used caliper, it is crucial to verify its compatibility with the specific vehicle version and the condition of other braking system components. It is worth paying attention to:

• absence of visible cracks and body deformations,
• condition of the guide surfaces and mounting points,
• possibility of free piston movement after potential refurbishment.

If you want to streamline the process of selecting used braking system components, the guide will be helpful: Second-hand braking system: how to safely choose discs, calipers, and ABS?, where you will find a practical checklist useful during your purchases.

Expanding Brake System Modernization for Audi

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