Mini R55 R56 R57 1 Front Right Wheel O/S Brake Caliper Housing 6778336

Mini R55 R56 R57 1 Front Right Wheel O/S Brake Caliper Housing is a product from the Brake Calipers and Carriers category, designed for installation on the front axle on the right side. This is a used, original caliper housing that allows for a technically correct repair of the braking system, maintaining the factory performance characteristics and driving confidence of your Mini vehicle.

Specifications and technical data

• SKU: 6778336-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 6778336
• Substitutable numbers: 34116778336, 6778336, 34116779760, 6779760, 34116776920, 6776920, BG
• Location on the vehicle: Front, Right
• Category: Calipers & Brackets

Purpose and vehicle placement

The presented brake caliper housing is designed for operation on the front axle on the right side of the vehicle. It is responsible for the stable positioning of the brake pads relative to the disc, even distribution of braking forces, and proper cooperation with other components of the braking system.

Thanks to its dedicated placement in the vehicle, installation is predictable, maintaining the correct system geometry and compatibility with factory mounting points in Mini cars.

Technical and functional characteristics

The caliper housing serves as the base structural element to which the guide pins, piston, brake pads, and accompanying hardware are attached. The appropriate rigidity of the body limits deflection during intensive braking, which translates into a stable pedal feel and consistent braking force.

The product is part of the original Mini braking system, which helps maintain:

• the correct position of the disc and pads relative to each other,
• proper cooperation with factory lines and mounts,
• consistency with vehicle safety systems, such as ABS or traction control.

Application in service and repairs

The brake caliper housing is particularly useful for repairs where mechanical damage to the body has occurred (e.g., corrosion, cracks, thread damage). Using an original component allows for:

• maintaining the factory parameters of the braking system,
• reducing the risk of fitment issues with replacement parts,
• efficient caliper regeneration by replacing seals, the piston, and hardware with new components.

A used element of this type is often chosen as an economical service solution, allowing for lower repair costs while preserving the original design of the system.

Brand, compatibility, and identification

The product comes from the Mini brand, meaning it was designed with the specific suspension and braking system architecture of this brand in mind. The housing has an OEM part number and associated interchangeable numbers, which facilitates clear identification in catalogs and matching to a specific vehicle version.

The availability of reference numbers is particularly important for workshops and users who want to verify the compatibility of the component with a specific car configuration before installation.

Condition and benefits of choosing a used caliper

The offered brake caliper housing is in Used condition, meaning it has been removed from a vehicle and may show signs of wear while remaining a functional base for further service work. In practice, this allows for:

• lower repair costs compared to a new component,
• maintaining the original Mini braking system design,
• a flexible approach to regeneration – the possibility of using new seals, pistons, and accessories.

Before installation, a standard service procedure is recommended: thorough cleaning, inspection of working surfaces, and – if necessary – replacement of wear-and-tear parts in accordance with the vehicle manufacturer's guidelines.

If you are planning a comprehensive repair or upgrade of the braking zone in your Mini and need other elements from the same group, such as additional calipers, carriers, or brackets, check out the available parts in the Mini Brake Calipers and Carriers category.

For users who want to make informed choices when selecting used braking system components and verify key safety aspects, we recommend our guide article: Second-hand braking system: how to safely choose discs, calipers, and ABS?, where you will find a practical checklist useful when purchasing components such as the presented caliper housing.