Mercedes W907 Brake Caliper Rear Right O/S Wheel Brake Unit A9074230900

Mercedes W907 Brake Caliper Rear Right O/S Wheel Brake Unit is an original brake system component from the Brake calipers and brackets group, designed for installation on the vehicle's rear axle. Thanks to its factory design, it ensures proper cooperation with the brake disc, pads, and brake lines, which translates into stable and predictable braking performance. This is a solution for users looking for a proven, used component with maintained functionality.

Specifications and technical data

• SKU: A9074230900
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9074230900
• Substitutable numbers: A9074230900, A 907 423 09 00
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and positioning of the caliper

The presented caliper is designed to operate on the rear, right side of the vehicle, which is crucial for the correct selection of parts in the braking system. Proper positioning guarantees compatibility with the suspension geometry, routing of lines, and the wheel hub design of the specific Mercedes model.

Selecting a caliper for the specific side of the vehicle minimizes the risk of installation problems, leaks, or uneven pad wear. Proper fitment of the component allows for maintaining factory braking force parameters and even load distribution on the rear axle.

Technical and functional characteristics

The brake caliper is responsible for precisely pressing the pads against the disc, which is why its construction must ensure stable piston operation, even pad guidance, and resistance to thermal loads. This model uses solutions typical for Mercedes systems, which facilitates integration with the vehicle's factory braking system.

Key features of this component include:

• dedicated mounting to the steering knuckle and hub on the rear axle,
• adaptation for cooperation with the factory hydraulic system,
• design ensuring stable guidance of brake pads,
• maintenance of the geometry required by the vehicle's safety systems.

Thanks to this, the caliper can be used both for standard replacement of a worn-out element and for brake system repairs following mechanical damage.

Benefits of using an original used caliper

Choosing a used, original brake caliper for a Mercedes allows you to combine cost control with maintaining compliance with the vehicle's factory specifications. This type of component is designed for a specific model, thanks to which:

• it ensures proper fitment with other brake system components,
• it reduces the risk of installation problems and the need for modifications,
• it maintains predictable vehicle behavior during braking.

The used condition means that the element has been previously operated, but it can still perform its function after proper installation and verification by a mechanic. This is a reasonable solution for users who want to restore the efficiency of the braking system without the need to invest in a new subassembly.

Application in service practice

When replacing a caliper on the rear axle, it is recommended to simultaneously check the discs, pads, flexible lines, and mounting points. A properly selected caliper, such as the Mercedes W907 Brake Caliper Rear Right O/S Wheel Brake Unit, makes it easier for the mechanic to perform the service in accordance with the vehicle manufacturer's guidelines, and allows the user to regain stable brake operation.

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

More knowledge about brake calipers

To better plan your brake system repair and consciously choose a used component, it is worth knowing the principles of selection and operation of this type of subassembly. Practical tips on how to safely use original recycled parts while reducing service costs can be found in the article: Brake calipers under the microscope – how to reduce repair costs by choosing proven recycled parts.