Seat Leon Cupra 1p Brake Caliper Housing Rear Left N/S 1K0615423F

Seat Leon Cupra 1p Brake Caliper Housing Rear Left N/S is an original component from the Brake calipers and housings group, designed for installation on the rear axle on the driver's side. This is a solution for users and workshops looking for a proven, used part with factory mounting geometry, ensuring stable operation of the braking system.

Specifications and technical data

• SKU: 1K0615423F
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1K0615423F
• Substitutable numbers: 1K0615423F, 1K0 615 423 F
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and function in the braking system

The rear left brake caliper housing is responsible for the precise guidance of the caliper mechanism and proper positioning relative to the disc. A correctly selected housing minimizes the risk of uneven pad wear, reduces vibrations, and supports the stability of braking force on the rear axle. In the case of intensive use, sports driving, or frequent braking, maintaining the proper stiffness and mounting geometry is crucial for safety.

Compatibility and mounting fit

The presented caliper housing is prepared for operation on the rear left side of the vehicle, which eliminates the risk of error when selecting the part according to the mounting side. The design intended for a specific model ensures:

• factory mounting points to the steering knuckle or control arm,
• proper guidance of the caliper relative to the brake disc,
• adequate working space for the brake pads.

Thanks to this, the part can be used both for standard replacement of a worn housing and for post-collision repairs, where restoring the original geometry of the braking system is essential.

Characteristics of the used part

The product comes from the BMW offer and is marked as used, which allows combining factory build quality with a more favorable purchase cost. An original aftermarket caliper housing is a good solution for workshops and conscious users who prefer OEM recycled parts over cheaper replacements of uncertain durability. This type of component, after proper installation preparation, can successfully operate in the braking system for a long time.

Application in service and modernization

The rear left brake caliper housing will work well both during standard service maintenance and more extensive work, such as:

• repairing the braking system after mechanical damage,
• restoring the factory brake configuration,
• preparing the car for further operation after suspension or wheel modifications.

For workshops, it is important that using an original caliper housing limits the need for additional modifications, which shortens installation time and facilitates maintaining repeatable repair quality.

If you are planning a comprehensive repair or modernization of the braking zone in your BMW and need other elements from the same group, such as additional housings, caliper bodies, or guide brackets, check the available parts in the BMW Brake calipers and housings category.

Safe choice of a used brake caliper

When selecting a used caliper housing, it is crucial to pay attention to compatibility with the vehicle's braking system and the condition of the working surfaces and mounting points. A properly selected element allows for reducing repair costs without compromising safety. If you want to better understand how to effectively use recycled parts in the braking system, check out the article Brake calipers under the microscope: How to effectively reduce braking system repair costs by choosing proven recycled parts, where you will find practical tips on selecting and evaluating such components.

For those who want to organize the entire process of purchasing parts online – from verifying markings to final installation – the guide Safe purchase of used car parts online – a step-by-step guide, describing best practices when choosing braking system elements and other components, will also be helpful.