Mercedes W907 Brake Caliper Rear Left N/S Wheel Brake Unit A9074230800

Mercedes W907 Brake Caliper Rear Left N/S Wheel Brake Unit is an original braking system component from the Brake calipers and brackets category, designed for installation on the rear left axle of Mercedes W907 series vehicles. This used caliper provides a functional service solution for vehicles in intensive use, ensuring consistency with the factory braking system design and predictable braking performance.

Specifications and technical data

• SKU: A9074230800
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9074230800
• Substitutable numbers: A9074230800, A 907 423 08 00
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and vehicle placement

The presented caliper is dedicated for installation on the rear left side of the vehicle, which is crucial for the correct distribution of braking force on the rear axle. The design, adapted to the architecture of the Mercedes W907, allows for maintaining the proper geometry of the system, correct interaction with the brake disc, and even pressure on the brake pads.

The placement on the vehicle is precisely defined, making this component intended for a specific mounting position without the need for adaptation or modification. This is important for safety, durability, and compliance with the manufacturer's factory guidelines.

Technical and functional characteristics

As a component from the Brake calipers and brackets category, this model is responsible for converting hydraulic system pressure into the force pressing the pads against the disc. The properly selected design of the body, guides, and working sockets enables stable operation under a wide range of loads typical for W907 series commercial vehicles.

The caliper has been designed to work with the factory Mercedes braking system, which translates into:

• proper compatibility with original brake lines and mounts,
• correct guidance of brake pads within the caliper,
• maintenance of the proper piston working stroke,
• stable operation under intensive braking conditions.

Benefits of using an original Mercedes caliper

Choosing an original rear left brake caliper for the Mercedes W907 allows you to maintain the consistency of the entire braking system with the manufacturer's design. This means predictable vehicle behavior during braking, proper modulation of braking force, and compatibility with other system components.

A used component of this type is often chosen as an economical yet technically sound alternative to new parts, especially in vehicles used intensively in fleets. A properly selected caliper reduces the risk of issues with uneven braking, disc overheating, or accelerated pad wear.

Service application and part selection

This caliper model is suitable both for standard replacement of a worn component and for broader service work on the rear axle. Thanks to the clear definition of the mounting side and compatibility with the W907 series, a mechanic can quickly verify the part's suitability for the vehicle, reducing vehicle downtime.

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 mounting holders, check the available parts in the Mercedes brake calipers and brackets category.

Safe selection of used braking system components

When choosing a used brake caliper, it is particularly important to pay attention to compatibility with the specific vehicle model, the mounting side, and the technical condition of the component. Proper identification of the part helps avoid installation problems and ensures the correct operation of the entire system.

If you want to organize the process of selecting used brake components and learn a practical checklist, it is worth reading the guide: Second-hand braking system: how to safely choose discs, calipers, and ABS?. This will make it easier for you to assess what to look for when purchasing items such as the presented caliper for the Mercedes W907.