Mercedes W205 W213 Front Brake Caliper Housing Left N/S 330x32mm A2054210381

Mercedes W205 W213 Front Left Brake Caliper Housing 330x32 mm is an original part from the Brake Calipers and Brackets group, designed for the front left axle of Mercedes vehicles. The used housing serves as a solid base for refurbishing or replacing a damaged caliper body, ensuring proper pad guidance and stable mounting within the braking system.

Specifications and technical data

• SKU: A2054210381
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2054210381
• Substitutable numbers: A2054210381, A 205 421 03 81
• Location on the vehicle: Front, Left
• Part type: Brake Caliper
• Category: Calipers & Brackets

Purpose and Fitment

The housing is designed for installation on the front left side of the vehicle, in a system with a 330x32 mm disc. This placement requires precise alignment with the steering knuckle, bracket, and other braking system components. Therefore, using an original Mercedes design helps maintain factory operating parameters.

The caliper body is suitable for users planning a professional caliper refurbishment or replacement of a damaged housing while retaining the existing hydraulics and hardware. This allows for minimizing the scope of work to the essential, while maintaining the integrity of the entire system.

Construction and Function in the Braking System

The caliper housing is responsible for:

• stable guidance of brake pads relative to the disc,
• maintaining the correct caliper geometry under high thermal and mechanical loads,
• safely transferring braking forces to suspension components,
• providing space for piston, seal, and dust boot installation.

For a 330x32 mm disc, the housing must work with a larger friction surface and higher loads, hence its robust and deformation-resistant construction. Using an original housing helps maintain even pad wear and consistent braking force.

Practical Application and Benefits of Installation

Choosing a used brake caliper housing for Mercedes W205/W213 is a beneficial solution in situations where:

• the caliper body has suffered mechanical damage (cracks, impacts, broken mounts),
• you are refurbishing a caliper and need a sound structural base,
• you want to restore factory braking characteristics without using aftermarket parts with uncertain geometry.

A properly selected housing allows for the continued use of existing working components (after their verification and potential replacement), which can reduce the overall service costs. At the same time, you maintain consistency with the design solutions intended by the manufacturer.

Professional Selection and Operational Safety

To maximize the potential of this brake caliper housing, it is advisable to verify its compatibility with your Mercedes' specific engine version and braking system, using the OEM part number and available interchangeable numbers in the specifications section. This helps avoid installation issues and ensures correct cooperation with the 330x32 mm disc and other components.

If you wish to deepen your knowledge on safely selecting used braking system components, consult the guide: Used Braking System – How to Safely Choose Discs, Calipers, and ABS?. You will find a practical checklist there to help assess the condition of parts before installation.

Braking System Upgrade in Mercedes

If you are planning a comprehensive repair or modernization of the braking area in your Mercedes and need other parts from the same group, such as brackets, caliper bodies, or mounting holders, check the available parts in the Mercedes Brake Calipers and Brackets category.