Mercedes W203 Brake Caliper Rear Left N/S Wheel Brake Unit 290/36 A2034231998

Mercedes W203 Brake Caliper Rear Left N/S Wheel Brake Unit is a braking system component designed for installation on the rear left axle of Mercedes vehicles. This used brake caliper allows for an economical yet technically sound repair of the braking system, maintaining performance characteristics consistent with the manufacturer's original specifications. It is an ideal solution for users seeking a proven component with a design tailored to the specifics of the W203 model.

Specifications and technical data

• SKU: A2034231998
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2034231998
• Substitutable numbers: A2034231998, A 203 423 19 98, BG
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and positioning of the caliper

The presented brake caliper is designed for operation on the rear of the vehicle, on the left side. Such precise vehicle positioning ensures a proper fit with the carrier, brake disc, and brake line, which is crucial for the even distribution of braking force between the rear axle wheels. The caliper's design is adapted to the suspension and hub geometry of the W203 model, facilitating installation and reducing the risk of compatibility issues.

Technical and functional characteristics

As a part of the Brake calipers and brackets category, the product is responsible for generating the clamping force of the pads against the disc, and thus for braking efficiency. The used construction maintains the factory geometry of the guides and mounting points, allowing for proper interaction with other system components. The caliper is adapted for use in the standard hydraulic braking system used in the Mercedes W203, making it suitable for both routine repairs and comprehensive rear axle restoration.

Choosing an original, used caliper for a Mercedes allows you to maintain the material and structural consistency of the entire braking system. This is particularly important in vehicles where predictable braking behavior, driving stability, and proper interaction with assistance systems such as ABS or ESP are essential.

Benefits of using a used brake caliper

Using a used caliper in a Mercedes W203 is a solution that significantly reduces service costs while maintaining a high level of safety. Compared to cheap replacements, an original component from dismantling usually offers a better fit, more stable operation, and a lower risk of installation problems. For workshops and individual users, this means shorter repair times and fewer potential complaints.

To better understand how to safely use used braking system components, it is worth consulting expert material. Practical tips on selecting and operating such parts can be found in the article Brake calipers under the microscope: How to effectively reduce braking system repair costs by choosing proven recycled parts, which discusses, among other things, the technical and economic aspects of using original recycled calipers.

Professional use in service and restoration

This brake caliper model is suitable for both professional workshops and informed users servicing their own cars. It can be used for:

• repairs following the failure of one of the rear axle calipers,
• comprehensive restoration of the braking system in a Mercedes W203,
• restoring vehicle performance after long-term storage or corrosion of working elements.

By choosing this caliper, you gain a component tailored to the specifics of the Mercedes design, which makes it easier to maintain the balance of braking forces between the left and right sides and minimizes the risk of the vehicle pulling during heavy braking.

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

Summary

Mercedes W203 Brake Caliper Rear Left N/S Wheel Brake Unit is a practical choice for those who want to restore full braking system efficiency while maintaining a reasonable service budget. The used, original component ensures a proper fit to the vehicle's design, supports stable braking, and helps maintain performance characteristics consistent with the manufacturer's specifications. For drivers thinking long-term about the technical condition of their car, the guide Original used parts and resale value – how not to lose money? may also be helpful, as it shows how conscious component selection affects the vehicle's future value.