Audi A8 (1994–2002) – 8 silentblocks in the front subframe: PolyPro polyurethane

upgrade kit

The first-generation Audi A8 is a full-size luxury sedan that replaced the Audi V8 and instantly became the brand’s flagship. It is known for outstanding comfort, excellent dynamics and advanced technologies of its era. Even today, many early A8 units remain in daily operation, proving the model’s long-term durability.

The PolyPro polyurethane front subframe kit pp98802kit  — 4D0399415F; 4D0399419F; 4D0399419F; 4D0399313BM; 4D0399313K; 4D0 399 415F; 4D0 399 419F; 4D0 399 419F; 4D0 399 313BM; 4D0 399 313K — allows owners to restore suspension precision and driving stability without costly OEM parts. This set of 8 silentblocks significantly improves suspension behavior, reduces vibrations and increases the lifespan of key components — even on vehicles that have been in use for more than two decades.

What ensures front-suspension stability?

Front subframe silentblocks act as dampers, connecting structural metal elements and absorbing shocks. They ensure smooth suspension operation, reduce vibrations transmitted to the body, and maintain the correct geometry of the subframe for confident and predictable handling.

Replacing worn elements prevents frame misalignment, excessive vibration and premature wear of adjacent parts — improving both comfort and safety.

Key signs of wear

The front subframe may require replacement if you notice:

• noticeable knocks and play while driving;

• subframe shifting during manoeuvres reducing steering accuracy;

• squeaks, rattles and knocking noises on uneven roads;

• uneven tire wear or wear of adjacent suspension components.

Ignoring these signs can lead to serious suspension damage, loss of control and increased accident risk. Timely restoration is crucial.

PolyPro solutions

We offer a polyurethane front subframe silentblock for AUDI A8 1994–2002 — 4D0399415F; 4D0399419F; 4D0399419F; 4D0399313BM; 4D0399313K; 4D0 399 415F; 4D0 399 419F; 4D0 399 419F; 4D0 399 313BM; 4D0 399 313K — providing strong mounting and stable suspension operation.

PolyPro offers several service options:

• Rebuild of your original part — pp0754b. You send your old component, we fully restore the unit and return it ready to install.

• Ready-to-install option — pp0754a. If sending the original part is not possible, we find a suitable bracket and complete the rebuild.

• Full subframe rebuild. You may send the entire subframe for a professional press-in of polyurethane inserts.

All components are manufactured from high-quality, three-component, hot-cured French polyurethane. The stiffness matches OEM rubber parts while significantly increasing durability and resistance to deformation.

Advantages of PolyPro

Our 8-piece polyurethane kit for the Audi A8 front subframe offers:

• extended service life;

• resistance to temperature extremes and chemical exposure;

• improved load transfer and better steering precision;

• optimal stiffness;

• the option to restore old parts without replacing the entire assembly.

PolyPro is chosen for its quality, precision and technical expertise. Our team will help select the correct components and provide full installation guidance. Each product undergoes multi-stage quality control to ensure long-lasting performance.

Our contacts: +380682426263, Viber, Telegram, Whatsapp