The model number is two hundred fifty-seven thousand forty. This identifier helps ensure compatibility with your vehicle.

Yes, it is compatible with the 2004 to 2008 Audi A4 Sedan. It also fits the Audi A4 Quattro from the same years, but excludes the convertible model.

To install, remove the old shock and mount the new absorber in its place. It's recommended to replace both sides for optimal performance.

No, you do not need specialty tools for installation. The Unity strut assemblies come with all new components for hassle-free rear installation.

Yes, this shock absorber is designed to withstand heavy loads. Its twin tube gas charged design provides reliable performance under various conditions.

To maintain, regularly check for leaks and ensure the mounting bolts are tight. Keeping the shock clean will also help prolong its lifespan.

No, it is not safe for convertible models. The product specifically states it excludes convertible vehicles.

The specific materials are not disclosed, but Unity specializes in high-quality components designed for long-lasting reliability.

It improves ride quality by providing better dampening and stability, reducing bounce and sway. This results in a smoother driving experience.

The warranty period is not specified in the product details. It's advisable to check with the retailer for warranty information.

No, this shock absorber is specifically designed for Audi A4 models from 2004 to 2008. Using it on a non-compatible vehicle could lead to performance issues.

It is manufactured in China. Unity Automotive focuses on high-quality production standards.

If it arrives damaged, contact the retailer immediately for a return or replacement. Most retailers have a customer service policy for damaged goods.

Yes, it is designed for straightforward installation, making it accessible for beginners. However, some mechanical knowledge is beneficial.