Mercedes W901 Front Suspension Rubber Buffer Spring Bearing A1693250284

Mercedes W901 Front Suspension Rubber Buffer Spring Bearing is an original chassis component designed for the front section of the vehicle. Its purpose is to dampen extreme suspension compression, protect the spring and mounting elements, and stabilize the front suspension performance under demanding road conditions. Using this OEM component is a sensible choice for suspension maintenance when you want to maintain factory geometry and predictable vehicle handling.

Specifications and technical data

• SKU: A9013221219
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9013221219
• Substitutable numbers: A9013221219, A 901 322 12 19
• Location on the vehicle: Front
• Category: Other Steering & Suspension Parts

Function and role in the front suspension

The spring buffer mounted at the front of the vehicle acts as a protective element against excessive suspension strut compression. In practice, it:

• limits suspension travel during sudden impacts,
• reduces the transmission of vibrations and shocks to the body,
• supports handling stability when the front of the vehicle is heavily loaded,
• protects the spring and mounting seats from mechanical overload.

As a result, ride comfort and vehicle control remain at a predictable level, especially when driving over bumps, speed bumps, or during heavy braking.

Selection and compatibility with Mercedes W901

The original rubber spring buffer designed for the front suspension of the Mercedes W901 series ensures compatibility with the factory chassis design. The component has been engineered for the specific geometry of the front axle, which translates into:

• proper cooperation with the stock spring and shock absorber,
• maintenance of the designed suspension compression characteristics,
• no need for mounting modifications during installation.

Choosing a used OEM component is advantageous when you want to maintain the original suspension operating parameters without introducing unreliable replacements with different hardness or geometry.

Benefits of replacing a worn buffer

A worn or perished spring buffer can lead to unpleasant knocking, harsher suspension operation, and faster wear of other front axle components. Using a functional, original buffer allows you to:

• reduce noise and vibration during suspension bottoming,
• relieve stress on shock absorber and spring mounts,
• improve vehicle predictability in extreme situations,
• maintain uniform performance on both sides of the front axle.

This is particularly important in commercial vehicles, where front suspension stability has a direct impact on driving safety when carrying a load.

Application area and installation

The buffer is intended for installation in the front of the vehicle, within the suspension spring assembly. When replacing it, it is worth paying attention to:

• the condition of the spring and mounting seats,
• simultaneous inspection of both sides of the front axle,
• correct seating of the component in the mount, without pre-tensioning.

This approach allows you to restore the consistency of the entire front suspension in a single service operation, which translates into more predictable handling and better tire-to-road contact.

Related components and technical knowledge

If you are planning a comprehensive repair or upgrade of the front suspension area in your Mercedes and need other elements from the same group, such as additional buffers, mounting cushions, or mounting brackets, check the available parts in the Other Mercedes category.

For a better understanding of the differences in design and tuning of chassis systems in high-performance cars, it is worth checking out material comparing solutions used in sports versions and standard models – you can find them in the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses, among other things, the impact of the chassis and brakes on handling characteristics.