Seat Leon Cupra MK3 Front Brake Caliper Housing 340X30mm Right O/S 5FA615124B

Seat Leon Cupra MK3 Front Brake Caliper Housing 340X30mm Right O/S is an original component from the Brake Calipers and Brackets category, designed to work with large-diameter, increased-thickness brake discs. This solution is engineered for stable, consistent braking in high-performance vehicles, ensuring precise pad guidance and optimal rigidity of the entire system. Thanks to the factory OEM design, the correct mounting geometry and compatibility with the stock front axle architecture are maintained.

Specifications and technical data

• SKU: 5FA615124B-1
• Mark: Seat
• Condition: Used
• OEM Part Number: 5FA615124B
• Substitutable numbers: 5FA615124B, 5FA 615 124 B
• Location on the vehicle: Front, Right
• Part type: Brake Caliper & Bracket
• Category: Calipers & Brackets

Purpose and function in the braking system

The presented front caliper is designed for installation on the right side of the front axle in the sports version of the Leon Cupra MK3. As a load-bearing and guiding element for brake pads, it is responsible for evenly pressing the pads against the disc, stabilizing the operation of the pistons, and maintaining the correct position of the entire assembly relative to the hub. The design, adapted for discs with increased diameter and thickness, allows for effective heat dissipation and maintains consistent braking force even during dynamic driving.

Construction and technical properties

The caliper housing has been designed for high rigidity and resistance to thermal loads typical of powerful engine versions. Properly shaped guide slots and contact surfaces ensure correct pad alignment, and thus even wear of the pads and the disc. The applied mounting geometry allows for direct cooperation with the factory steering knuckle and hub, without the need for additional adapters. As an original part, the caliper maintains factory manufacturing tolerances, which translates into a proper fit with other braking system components. This is particularly important in vehicles with a sporty character, where braking stability and predictable pedal response are crucial for safety and vehicle control.

Condition, selection, and application

The offered caliper is a used part, which allows for reduced service costs while maintaining the manufacturer's original specifications. This is a beneficial solution for users who want to maintain the factory character of the braking system, avoiding the risks associated with cheap, low-quality replacements. When selecting the component, it is worth paying attention to compatibility with the equipment version and the braking system parameters of the specific vehicle. Due to the precise fit for the specific model, the caliper will perform well both in standard operation and in vehicles used more dynamically, where braking force consistency and resistance to overheating are of significant importance.

Benefits of choosing an original, used caliper

Choosing an original caliper from dismantling allows you to maintain the factory operating characteristics of the braking system while reducing repair costs. Compared to budget replacements, the OEM component offers predictable behavior under load, proper body rigidity, and compatibility with stock pads and discs. This is especially important in cars like the Leon Cupra, where the braking system is designed for higher loads than in standard versions. If you want to better understand how to safely use recycled parts in the braking system and how to optimize service costs, it is worth reading the guide: Brake calipers under the microscope: How to effectively reduce braking system repair costs by choosing proven recycled parts. The article explains what to look for when selecting used components and how to assess their suitability for further use. Additionally, if you are considering an alternative between a used OEM component and a cheap replacement, the following material may be helpful: Cheap car part replacements – hidden defects and costs that workshops rarely talk about, which discusses quality differences and the long-term consequences of choosing specific solutions.

Expansion and service of the Seat braking system

If you are planning a comprehensive repair or upgrade of the braking zone in your Seat and need other elements from the same group, such as additional calipers, mounting brackets, or supports, check out the available parts in the Seat Brake Calipers and Brackets category. Such an approach allows you to build a coherent, technically matched set of components, which facilitates service and minimizes the risk of compatibility issues. By choosing elements from one product group, you maintain a uniform operating characteristic of the entire system and facilitate future inspections and potential repairs.