Volkswagen VW Golf Mk4 Brake Caliper Wheel Brake Unit Front Right O/S 3A0615124

Visual condition of the part

The product shows signs of use visible in the photos.

Volkswagen VW Golf Mk4 Brake Caliper Wheel Brake Unit Front Right O/S is an original Volkswagen brake system component designed for installation on the right side of the front axle. This used brake caliper provides a functional service solution for drivers looking to restore proper braking performance while maintaining factory mounting geometry and compatibility with other components.

Specifications and technical data

• SKU: 3A0615124
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3A0615124
• Substitutable numbers: 3A0615124, 3A0 615 124
• Location on the vehicle: Front, Right
• Part type: Brake Caliper
• Category: Calipers & Brackets

Purpose and function in the brake system

The presented caliper is part of the Brake Calipers and Brackets category, responsible for precisely pressing the brake pads against the disc during braking. Mounted on the front right side of the vehicle, it works with the factory hydraulic system, ensuring stable force transfer from the brake master cylinder to the disc.

Thanks to its design compliant with manufacturer standards, the caliper maintains the correct position relative to the disc, which reduces the risk of uneven pad wear and vibrations during braking. This is a practical solution when replacing a damaged or seized component in Volkswagen Golf Mk4 family vehicles.

Benefits of using an original Volkswagen caliper

Using an original brake caliper instead of a worn-out component allows you to:

• maintain compliance with factory brake system performance parameters,
• preserve proper fitment with the carrier, disc, and pads,
• reduce the risk of bleeding issues and leaks,
• minimize installation time thanks to standard mounting points.

The used component is a good service choice in situations where the priority is restoring system efficiency while keeping repair costs reasonable, while utilizing a part from the same design line as the vehicle's factory equipment.

Selection, installation, and compatibility

To correctly select the caliper for a specific Volkswagen version, it is worth verifying compatibility with the manufacturer's markings and the placement on the vehicle. This model is intended for installation on the front axle on the right side, which is significant for both mounting geometry and brake line routing.

During installation, it is recommended to:

• check the condition of the carrier, pads, and brake disc,
• replace the brake fluid according to service recommendations,
• thoroughly bleed the system after installing the caliper,
• verify the tightness of connections and piston operation.

This approach ensures stable, repeatable brake performance and even wear of friction elements over the long term.

Safe purchase of used brake system components

When choosing a used brake caliper, it is crucial to pay attention to compliance with manufacturer markings, placement on the vehicle, and the general technical condition of the component. A properly selected element helps avoid installation problems and ensures correct cooperation with the master cylinder, lines, and other system parts.

If you want to verify step-by-step what to look for when buying used brake components, such as discs, calipers, or ABS parts, use our practical guide: second-hand brake system – how to safely choose discs, calipers, and ABS.

Expansion and modernization of the Volkswagen brake system

If you are planning a comprehensive repair or modernization of the braking zone in your Volkswagen and need other elements from the same group, such as additional calipers, mounting brackets, or guide supports, check out the available parts in the Volkswagen Brake Calipers and Brackets category.

Selecting several compatible elements from one product group allows for a consistent renewal of the front axle, reduces the risk of performance differences between the left and right sides, and facilitates future maintenance of the entire brake system.