Audi Q7 4L Rear Brembo Brake Housing Left N/S Caliper 358x28mm 7L8615423A

Audi Q7 4L Rear Left Brake Caliper 358x28mm is a component from the Brake Calipers and Brackets category, designed for installation on the rear left axle of the vehicle. It ensures stable braking force with a disc diameter of 358 mm and a thickness of 28 mm, providing predictable performance of the braking system in the Audi Q7 4L. This is a solution for users seeking a technically matched, used component with proven geometry and operating parameters.

Specifications and technical data

• SKU: 7L8615423A-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 7L8615423A-1
• Substitutable numbers: 7L8615423A-1, 7L8 615 423 A-
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and Fitment for Audi Q7 4L

The presented caliper is designed to work with a rear brake disc measuring 358x28 mm, which is crucial when selecting parts for a specific Audi Q7 4L braking system configuration. Its placement on the vehicle is rear – left side, ensuring the correct orientation of brake fluid flow channels and mounting points relative to the steering knuckle and caliper bracket.

This precise fitment translates to:

• correct alignment of brake pads with the disc's working surface,
• maintenance of the original braking force characteristics on the rear axle,
• compatibility with the factory hydraulic system and brake lines.

Construction and Function in the Braking System

The brake caliper plays a key role in converting brake fluid pressure into clamping force applied by the pads to the disc. For the Audi Q7 4L, given its substantial weight, the caliper's design is particularly important for braking stability at higher speeds and under load.

This component is responsible for:

• even distribution of pressure across the pad surface,
• maintaining axial alignment with the disc during repeated heating and cooling cycles,
• secure guidance of the pads within their carriers, reducing the risk of jamming.

By retaining the original caliper geometry, the braking system can operate at parameters close to original specifications, which is significant for both safety and the longevity of other components.

Characteristics of a Used Caliper

The offered component is used, allowing for an economical repair of the braking system while maintaining the original design. In practice, this means the possibility of replacing a damaged or worn caliper with a part having similar operating parameters, without needing to alter the system's design.

Prior to installation, standard servicing procedures are recommended, such as:

• verification of the condition of working surfaces and threads,
• checking the operation of the piston and guide pins,
• selection of appropriate pads and discs with dimensions matching the caliper's design.

This approach allows for stable and repeatable brake performance while maintaining reasonable vehicle operating costs.

Professional Selection and Operational Safety

To maximize the potential of this caliper, it's important to ensure compatibility with other braking system components – the disc, pads, and brake lines. A correctly selected and installed caliper on the rear left axle of the Audi Q7 4L contributes to an even distribution of braking forces between axles and vehicle stability during emergency braking.

If you wish to deepen your knowledge on the safe selection of used braking system components, such as discs, calipers, or ABS components, we recommend reading the guide: Used Braking System: How to Safely Choose Discs, Calipers, and ABS?.

For drivers considering the broader use of used parts in their car's maintenance, a practical guide to the aftermarket can also be helpful: Used Parts – Your Guide to the Best Offers in the Automotive Store, which discusses how to make informed component choices and ensure their continued operation.

Related Audi Brake Calipers

If you are upgrading the entire braking system in your Audi and require other components from the same group, such as additional calipers for the other side of the axle or compatible mounting brackets, check the available parts in the category Audi Brake Calipers and Brackets.