Audi A4 B8 A5 8T A7 4G Rear Suspension Spring Coil Rubber Mount 8K0512149C

Audi A4 B8 A5 8T A7 4G Rear Suspension Spring Coil Rubber Mount is a precisely engineered rear suspension component responsible for stable spring support and effective vibration damping. Thanks to its perfect fit for specific Audi models and a design compliant with factory standards, this rear suspension spring coil rubber mount helps restore proper suspension operation and improve driving comfort. This solution is particularly beneficial when replacing worn rear axle components, especially when you want to maintain the original handling characteristics.

Specifications and technical data

• SKU: 8K0512149C
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0512149C
• Substitutable numbers: 8K0512149C, 8K0 512 149 C
• Location on the vehicle: Rear
• Category: Leaf & Coil Springs

Purpose and function in the suspension

The presented rear suspension spring coil rubber mount operates within the rear suspension, in the area where the coil spring is mounted. Its tasks include:

• stable seating of the spring in the body or control arm mount,
• reducing the transmission of vibrations and noise into the cabin,
• compensating for minor deformations and operational movements of the suspension,
• protecting metal components from direct contact and accelerated wear.

A properly selected rubber mount in this area has a direct impact on ride comfort, steering precision, and even load distribution across other suspension components.

Compatibility with Audi models

The component has been developed with the suspension design of popular mid-size and premium Audi models in mind. Its application in the A4 B8, A5 8T, and A7 4G family means that the geometry, rubber compound hardness, and contact surface shape are tailored to the characteristics of these vehicles. This ensures:

• consistency of rear axle operation with factory settings,
• proper cooperation with stock springs and shock absorbers,
• adequate vibration damping during city and highway driving.

Such fitment is particularly important in cars with more complex suspension kinematics, where every element matters for driving stability.

Performance characteristics and installation benefits

As a component from the Leaf springs and coil springs group, the mount operates under demanding conditions – it carries vertical loads, reacts to road irregularities, and handles changes in vehicle load. Replacing a worn rubber mount with a functional component allows you to:

• reduce knocking and unwanted noises from the rear of the vehicle,
• limit body roll and swaying when the car is fully loaded,
• increase the predictability of the car's behavior in corners,
• reduce the risk of accelerated wear of springs and shock absorbers.

During installation, it is worth paying attention to proper seating in the mount and maintaining the correct position relative to the spring, which ensures even load distribution and long-term, stable operation.

Component condition and service application

The offered rear suspension spring coil rubber mount is a dismantled part intended for service applications in Audi vehicles where it is necessary to replace worn or damaged rear suspension components. Choosing an original used component is a reasonable compromise between repair costs and maintaining factory specifications, especially for cars used on a daily basis.

This type of component is often replaced when:

• there is a noticeable deterioration in ride comfort,
• knocking sounds appear when driving over bumps,
• performing a comprehensive rear suspension overhaul.

Expanding work on the Audi suspension

If you are planning a comprehensive repair or upgrade of the rear suspension area in your Audi and need other elements from the same group, such as additional rubber mounts, spring supports, or suspension components, check out the available parts in the Audi Leaf springs and coil springs category.

Tips for those considering used suspension components

When choosing used suspension components, it is worth paying attention to their origin, compatibility with the specific body version, and general operational condition. It is also good practice to plan replacements in pairs on both sides of the axle to maintain suspension symmetry and even load distribution across the structure.

If you want to better prepare for purchasing used parts and avoid common mistakes when upgrading your car, check out the guide Buying used car parts • Most common mistakes when choosing tuning parts, which discusses the most important issues related to selecting such components in an accessible way.