Audi Q3 F3 Mk3 Brake Caliper Wheel Braking Unit Front Left N/S 3C0615123

The front left brake caliper for Audi Q3 F3 Mk3 is an original brake system component, designed for installation on the front axle on the driver's side. As part of the brake calipers and brackets category, it ensures proper brake pad guidance and stable operation of the entire system, which translates to safe and predictable braking for your Audi.

Specifications and technical data

• SKU: 3C0615123
• Mark: Audi
• Condition: Used
• OEM Part Number: 3C0615123
• Substitutable numbers: 3C0615123, 3C0 615 123
• Location on the vehicle: Front, Left
• Part type: Brake Caliper
• Category: Calipers & Brackets

Intended Use and Fitment for Audi Q3 F3 Mk3

The offered caliper has been specifically designed for the third-generation Audi Q3 (F3 Mk3), taking into account the suspension geometry and the braking system characteristics of this vehicle. Its placement on the vehicle is the front left side, meaning the component works with the factory-designed caliper bracket, disc, and pads intended for this position.

By maintaining the factory mounting points and correct spacing, the caliper allows for installation without structural modifications. This solution is particularly beneficial for accident repairs, brake system refurbishment, or replacing a worn-out component with a proven equivalent.

Brake Caliper Construction and Function

The front left brake caliper in the Audi Q3 F3 Mk3 is responsible for evenly pressing the brake pads against the disc during braking. Its construction relies on a precise working piston, guide pins, and a housing adapted for operation in demanding road conditions.

The key functions of this component include:

• stable guidance of brake pads relative to the disc,
• transferring pressure from the hydraulic system into braking force,
• maintaining the correct brake system geometry on the front axle,
• cooperation with vehicle safety systems (ABS/ESP) through precise braking force modulation.

A properly selected caliper reduces the risk of the car pulling to one side during braking, uneven pad wear, and disc overheating, which directly impacts driving comfort and safety.

Condition, Verification, and Safety of Use

This part comes from the secondary market, allowing for economical brake system repair while maintaining the original manufacturer's specifications. Before installation, standard servicing procedures are recommended: checking for leaks, ensuring free movement of the piston and guide pins, and assessing the condition of the working surfaces for potential refurbishment or replacement of wear parts (seals, dust boots, mounting bolts).

To maximize the potential of this caliper, it is advisable to combine its installation with an inspection of the discs, pads, flexible hoses, and bleeding of the entire system. This approach helps restore cohesive brake performance on the front axle and minimize the risk of improper operation of one of the circuits.

If you want to check step-by-step what to look for when buying and installing used brake components, check out our guide: used brake systems – how to safely choose discs, calipers, and ABS. This is a practical supplement to information when planning repairs on your Audi.

Benefits of Using an Original Brake Caliper

Using an original caliper on the front left side of the Audi Q3 F3 Mk3 offers several significant technical benefits:

• Factory Fitment – maintaining the original brake system geometry and compatibility with other components.
• Consistent Braking Characteristics – predictable vehicle behavior during emergency braking and daily driving.
• Serviceability – availability of repair kits and service procedures developed for this type of caliper.
• Cost Reduction – a used part allows for lower repair costs while maintaining the original design.

For workshops and individual users, this means easier diagnostics, predictable installation, and the ability to maintain the brake system within parameters close to factory specifications.

Other Audi Brake Calipers and Brackets

If you are also looking for other Audi brake calipers and brackets for your car, check out our dedicated offer: Audi brake calipers and brackets. With filters for brand and category, you can easily select components that fit a specific model and position on the vehicle.