---
type: product
part_number: "8X0615123C"
title: "Brake caliper housing ⌀310 S1; front left, black"
category: "Brakes > Front brakes > Front brake calipers"
language: en
canonical: "https://catalog.polo.blue/8X0615123C/"
translations:
  pl: "https://catalog.polo.blue/pl/8X0615123C/"
  de: "https://catalog.polo.blue/de/8X0615123C/"
updated: 2026-04-08
---

# Brake caliper housing ⌀310 S1; front left, black

> The caliper uses a hydraulic piston to press your brake pads against the brake rotor. A faulty caliper may cause vibrations, uneven pad wear or even.

- Part number: 8X0615123C
- Category: Brakes > Front brakes > Front brake calipers
- Web page: https://catalog.polo.blue/8X0615123C/

## Specification

- Manufacturer: Ate, Audi
- Manufacturer Number: ATE 24.3541-9553.5 (581 VL)
- Additional Info: ⌀288-310mm
- PR-Codes: 1ZM
- Material: cast iron
- Color: matt black
- Fitting Position: front axle, left
- Car Model: Audi S1 (8X)
- Replacement numbers: 8X0615123A (>> 07.07.2014)
- Brake Caliper Type: fist type caliper (1 piston)
- Brake System: ATE
- Piston Diameter: 54 mm
- For Brake Disc Thickness: 25 mm
- Weight: 3.76 kg

## Description

The caliper uses a hydraulic piston to press your brake pads against the brake rotor. A faulty caliper may cause vibrations, uneven pad wear or even loss of braking ability.

Unlike the blue painted caliper on the Polo 6R R WRC Street, this one has the factory-drilled screw holes for 'S1' badge.

## Paired part

- [8X0615124C](https://catalog.polo.blue/8X0615124C/index.md) Brake caliper housing ⌀310 S1; front right, black

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