Mercedes Sprinter W906 Front Axle Suspension Leaf Spring Support Bar

Mercedes Sprinter W906 Front Axle Suspension Leaf Spring Support Bar is an original component from the Bushings, bearings and chassis group, designed for operation in the front suspension section. This used component allows for a technical, cost-effective, and safe repair of the running gear in Mercedes vehicles, maintaining factory handling characteristics and stability.

Specifications and technical data

• SKU: A9063211403
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9063211403
• Substitutable numbers: A9063211403, A 906 321 14 03
• Location on the vehicle: Front
• Category: Steering & Suspension Bushings

Purpose and function in the suspension

The described leaf spring with axle support operates in the front part of the vehicle, responsible for transferring loads between the frame and the axle, as well as ensuring proper wheel guidance. This element stabilizes the axle position relative to the body, limits unwanted movement, and supports the operation of other suspension components, such as bushings, bearings, or mounting elements.

Thanks to its precisely matched geometry and stiffness, the leaf spring helps maintain predictable vehicle behavior during braking, acceleration, and driving over uneven surfaces, which translates into more confident handling and better control over the car.

Benefits of using an original Mercedes component

Choosing a component from a Mercedes vehicle primarily ensures the preservation of factory suspension performance parameters. The original axle support and leaf spring:

• ensure a perfect fit to the frame and axle structure without the need for modifications,
• maintain the correct geometry of the front running gear,
• reduce the risk of excessive play and unwanted vibrations,
• support even load distribution while driving with cargo.

By using a used yet original element, you can control service costs while maintaining consistency with the factory suspension design.

Application in the front axle

Its location in the front of the vehicle means that this leaf spring with axle support operates in the most heavily loaded zone of the running gear, which is responsible for steering and directional stability. The proper condition of this component has a direct impact on:

• the vehicle's response to steering inputs,
• maintaining wheel alignment relative to the body,
• reducing body roll and nose-diving during braking,
• driving comfort under varying front-end loads.

Selecting an element structurally compatible with the Sprinter W906 platform helps avoid installation issues as well as subsequent alignment and suspension geometry problems.

Condition and installation aspects

The product is in used condition, which allows for an economical repair while maintaining the original design specifications. Before installation, standard workshop verification is recommended, including inspection of working surfaces, mounting points, and cooperating bushings and bearings. A correctly installed component restores proper front suspension operation, minimizing the risk of unwanted noises and excessive axle movement.

Expansion and other elements from this group

If you are planning a comprehensive repair or upgrade of the chassis area in your Mercedes and need other elements from the same group, such as additional mounts, brackets, or components cooperating with the leaf spring, check out the available parts in the Mercedes Bushings, bearings and chassis category.

When planning broader modifications or repairs using used components, it is also worth checking out practical tips on selecting parts and avoiding common mistakes – the article Buying used car parts – the most common mistakes when choosing tuning parts may be helpful, as it organizes key technical and operational issues.