Audi A4 B8 Spring Strut Front Shock Absorber Left N/S Suspension 8K0413031BB

Audi A4 B8 Spring Strut Front Shock Absorber Left N/S Suspension is an original component from the Shock absorbers and struts group, designed for operation in the front left corner of the suspension. Engineered by the vehicle manufacturer, it ensures consistency with the factory handling characteristics, stability, and ride comfort of your Audi.

Specifications and technical data

• SKU: 8K0413031BB-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0413031BB
• Substitutable numbers: 8K0413031BB, 8K0 413 031 BB, 8K0413037L, 8K0 413 037 L
• Location on the vehicle: Front, Left
• Category: Shocks, Struts & Assemblies

Purpose and function in the suspension system

The presented shock absorber is responsible for controlling spring deflection, damping body vibrations, and maintaining constant tire contact with the road surface on the front left side. A properly selected component in this position translates into:

• stable vehicle behavior during braking and acceleration,
• confident cornering,
• reduction of body roll on uneven surfaces.

Thanks to a design consistent with the manufacturer's factory specifications, the shock absorber works in harmony with other suspension components, maintaining the predictable operating characteristics of the system.

Original origin and fitment

As an Audi brand component, the shock absorber has been developed for precise fitment to the geometry of the front suspension in the A4 B8 generation model. This ensures the maintenance of the correct working length, stroke, and damping characteristics, which is crucial for:

• proper alignment and suspension geometry settings,
• even tire wear,
• consistent operation of driver assistance systems (e.g., ABS, ESP) that depend on wheel traction.

The original design facilitates installation in place of the factory component, without the need for mounting modifications or additional adaptations.

Operational characteristics

The shock absorber operating on the front axle, on the left side, is particularly loaded during braking and cornering. Using the correct component at this point helps to reduce:

• increased braking distance resulting from excessive front-end dive,
• stresses transferred to control arms, bearings, and other suspension elements,
• excessive body roll affecting ride comfort and safety.

Selecting a shock absorber that matches the vehicle's design is particularly important when driving with heavier loads and on roads with poorer surface quality.

Condition of the item and practical application

The offered shock absorber is in used condition, making it an attractive solution for users looking for an economical yet factory-compliant suspension component replacement. This type of component is suitable for, among others:

• post-accident repairs,
• restoring the efficiency of a fleet or utility vehicle,
• optimizing service costs while maintaining the original design.

Choosing a used, original shock absorber allows you to maintain consistency with the factory suspension design while reducing expenses compared to new aftermarket replacements.

Comprehensive suspension service and technical knowledge

If you are planning a comprehensive repair or upgrade of the suspension area in your Audi and need other elements from the same group, such as additional struts, complete shock assemblies, or mounting brackets, check out the available parts in the Audi Shock absorbers and struts category.

To better understand the relationships between shock absorbers, control arms, and stabilizers, and the impact of these components on driving safety, it is worth consulting our practical technical guide: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers. This will make it easier for you to assess when replacing a single component is sufficient and when it is worth considering a wider range of service work.