Audi A4 B7 B8 Front Brake Caliper Housing Carrier Left N/S 4E0615123A

Audi A4 B7 B8 Front Brake Caliper Housing Carrier Left N/S is a component from the Brake calipers and carriers group, designed for the front left side of the braking system. This is a used, original caliper housing that allows for cost-effective repair or rebuilding of the braking mechanism while maintaining factory geometry and fitment.

Specifications and technical data

• SKU: 4E0615123A
• Mark: Audi
• Condition: Used
• OEM Part Number: 4E0615123A
• Substitutable numbers: 4E0615123A, 4E0 615 123 A
• Location on the vehicle: Front, Left
• Part type: Brake Caliper
• Category: Calipers & Brackets

Purpose and function in the braking system

The brake caliper housing mounted on the front, left side of the vehicle is responsible for the stable guidance of brake pads and their correct positioning relative to the brake disc. Proper body geometry is crucial for even pressure, effective braking, and the reduction of vibrations and noise during system operation.

In the case of caliper regeneration or replacing a damaged housing, using an original housing dedicated to the Audi A4 B7/B8 generation ensures compatibility with factory tolerances and avoids issues with mounting on the steering knuckle and carrier.

Benefits of using an original caliper housing

Choosing this brake caliper housing offers a number of practical advantages for daily operation:

• factory fitment for the Audi braking system, with no modifications required,
• maintaining the correct alignment of pads relative to the disc, which promotes stable braking,
• suitability as a solid base for caliper regeneration,
• reduction of repair costs compared to purchasing a complete new caliper.

For users seeking a reasonable compromise between cost and functionality, a used brake caliper housing is a solution that allows for restoring system efficiency while maintaining a high level of safety, provided that proper installation and selection of other components are ensured.

Professional use in service and regeneration

The product is particularly useful for workshops specializing in caliper regeneration and for mechanics performing brake system repairs on Audi vehicles. The housing can be used as a starting point for a complete caliper rebuild using new pistons, seals, guide pins, and dust boots, allowing for a technically sound mechanism at controlled costs.

The vehicle placement defined as front, left side facilitates precise part matching during selection and installation, minimizing the risk of errors when ordering components for a specific axle and side of the vehicle.

Expert support and part selection

If you want to better understand how to safely use used brake system components and how to optimize repair costs, check out the article: Brake calipers under the microscope: How to effectively reduce brake system repair costs by choosing verified recycled parts. You will find practical tips on selection, condition verification, and installation principles for dismantled calipers.

Expanding the Audi braking system

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