Audi Shock Dust Sleeve - Genuine Audi 4M0512137B

Product Information

A suspension strut bellows is a protective cover located on a vehicle's suspension strut or shock. It surrounds the shock shaft to protect it from dirt, debris, and moisture. This component helps prevent contaminants from damaging the strut shaft and seals, which could otherwise reduce the lifespan and performance of the suspension system. The bellows work with a bump stop to prevent damage from excessive suspension travel.

• Visible Cracks or Tears: The most apparent symptom of strut bellows failure is visible cracking, tearing, or splitting of the rubber or plastic material. This exposes the strut to potential contaminants
• Dirt or Debris on the Strut Shaft: If the bellows are compromised, dirt, moisture, and road grime can accumulate on the strut shaft, potentially causing rust or abrasions.

About Genuine Audi

The original parts used by Audi to build your car are available as replacement parts under the “Genuine Audi” brand. Manufactured under the direction of Audi, expect excellent quality and a premium price since these parts are available exclusively through the Audi Dealership network.

You may not realize this, but the parts that make up your Audi are not necessarily manufactured by Audi. No cause for concern, as Audi designs the part, hires a manufacturer, and ensures its quality to you. In fact, many of these manufacturers have been making parts for Audi for decades. In our industry these manufacturers are called OEM (Original Equipment Manufacturers), and these are often brands you recognize, including Lemforder, ZF, Sachs, Bosch, Valeo, Zimmermann, Siemens VDO, Corteco, and more. Don’t be surprised to open that Genuine Audi parts box and find an OEM branded part inside, simply with the addition of an Audi logo.

Be sure to keep an eye out for OE tags on our product pages to quickly identify parts coming direct from OE manufacturers. That extra bit of insight could save you some serious money while shopping! Refer to our OE Academy for further information regarding the OE/OEM tags throughout the site.

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