Audi SQ5 FY Rear Brake Caliper Wheel Braking Unit Left N/S 80A615403B

The Audi SQ5 FY rear left brake caliper is an original component of the braking system, designed for installation on the rear axle on the driver's side. Thanks to its factory origin from the Audi brand, it ensures proper fit with the hub, disc, and pads, as well as correct cooperation with the car's standard braking system. This is a solution for users looking for a proven, used component with preserved functionality.

Specifications and technical data

• SKU: 80A615403B
• Mark: Audi
• Condition: Used
• OEM Part Number: 80A615403B
• Substitutable numbers: 80A615403B, 80A 615 403 B
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Vehicle Application and Placement

The presented caliper is a component of the braking system mounted on the rear left side, which is crucial for selecting the correct part for the Audi SQ5 FY generation. It is responsible for pressing the pads against the disc during braking, stabilizing braking force on the rear axle, and cooperating with the vehicle's safety systems.

Selecting the correct caliper for the specific side of the vehicle minimizes the risk of installation problems, leaks, or uneven pad wear. For the Audi SQ5 FY, using the appropriate, dedicated caliper allows for maintaining the factory braking system performance parameters.

Brake Assembly Design and Function

The rear brake caliper in the Audi SQ5 FY operates as a precise mechanical-hydraulic assembly that:

• converts brake fluid pressure into clamping force of the pads against the disc,
• maintains stable pad guidance within the caliper bracket,
• ensures even braking of the rear left wheel,
• cooperates with other braking system components to maintain predictable braking characteristics.

Thanks to its factory design, the caliper retains the correct mounting geometry, which facilitates installation and reduces the need for additional modifications. The Brake Calipers and Brackets category includes components that directly affect driving safety, making the choice of an original component particularly important.

Characteristics of the Used Component

The offered brake caliper is a used part, meaning it comes from a dismantled vehicle but retains the functionality necessary for further operation. This type of component is a good choice for brake system servicing when you want to combine reasonable costs with the preservation of the manufacturer's original design.

Before installation, a standard service procedure is recommended, including checking the condition of the working surfaces, seals, and guides, as well as replacing the brake fluid according to the vehicle manufacturer's recommendations. This approach allows for full utilization of the used caliper's potential and maintenance of stable braking parameters.

Selection and Safety When Purchasing a Used Caliper

When choosing a rear left caliper for the Audi SQ5 FY, it is crucial to ensure compatibility with the specific model version and braking system configuration. It is worth paying attention to the conformity of the mounting design, the diameter of the cooperating disc, and the type of pads to avoid problems with installation and system operation.

If you want to streamline the process of selecting used brake components and minimize the risk of purchasing an incorrect part, use the practical tips described in the article: Second-hand braking systems: how to safely choose discs, calipers, and ABS?. This is a helpful checklist that guides you step-by-step through the most important verification stages.

Audi Braking System Expansion

If you are planning a comprehensive repair or upgrade of the braking area in your Audi and need other elements 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.

Choosing an original rear left brake caliper for the Audi SQ5 FY is a way to maintain the consistency of the entire braking system, ensure predictable vehicle behavior during braking, and facilitate installation thanks to the factory fit to the vehicle's construction.