Audi Q3 8U Rear Axle Coil Spring Set Suspension Kit Left Right N/O/S 5N0511115K

Visual condition of the part

The product shows signs of use visible in the photos.

Audi Q3 8U Rear Axle Coil Spring Set Suspension Kit Left Right N/O/S is an original set of suspension components designed for the left and right sides of the rear suspension. Thanks to their factory-spec performance characteristics, these springs ensure stable vehicle handling, predictable road behavior, and proper body support during daily operation.

Specifications and technical data

• SKU: 5N0511115K
• Mark: Audi
• Condition: Used
• OEM Part Number: 5N0511115K
• Substitutable numbers: 5N0511115K, 5N0 511 115 K
• Location on the vehicle: Rear, Right, Left
• Part type: Coil Spring
• Category: Leaf & Coil Springs

Purpose and function in the suspension

The presented set belongs to the Leaf and coil springs category and is dedicated to the rear axle of the Audi Q3 8U generation. The components operate on both sides of the vehicle – left and right – and are responsible for maintaining the correct vehicle ride height, damping comfort, and even load distribution when carrying passengers and luggage.

Choosing original springs is crucial for maintaining factory suspension geometry, proper cooperation with shock absorbers, and the vehicle's safety systems. Using a complete set for the rear axle helps minimize differences in performance characteristics between sides and maintains consistent, predictable vehicle reactions.

Benefits of using original Audi springs

The springs come from the Audi brand, which means maintaining parameters consistent with the vehicle manufacturer's factory specifications. In practice, this translates into:

• consistent vehicle handling in corners and during braking,
• stable rear axle support under variable loads,
• proper cooperation with stock shock absorbers and metal-rubber components,
• reduced risk of uneven tire wear resulting from incorrect suspension height.

As a pre-owned item, the set retains the functionality necessary for further use, representing a reasonable compromise between repair costs and maintaining the original suspension specification.

Vehicle placement and installation aspects

The set is designed for installation on the rear axle, for use on both the left and right sides. This solution facilitates servicing – during a single operation, you can restore the uniform performance characteristics of both sides of the suspension, which is particularly important after damage to one of the springs or in the event of noticeable rear-end "sagging."

After installation, it is recommended to perform a suspension geometry check and a visual inspection of cooperating components (shock absorbers, bump stops, top mounts) to fully utilize the potential of the newly installed set and ensure even loading of the entire rear axle structure.

Application in service practice

Replacing rear axle springs is particularly recommended in situations where the vehicle shows a drop on one side, noticeable "squatting" under load, or if mechanical damage to the spring element has occurred. Using a complete set for the axle allows you to:

• restore factory suspension height,
• increase the predictability of the car's behavior on uneven surfaces,
• reduce unwanted body roll.

For workshops and individual users, choosing original Audi springs is a technically safe solution, especially compared to random aftermarket replacements with unknown characteristics.

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

For drivers interested in a broader approach to servicing premium cars and optimizing costs while maintaining high-quality parts, the guide article Luxury within reach – how to service a Porsche legend using proven used parts may be helpful, as it demonstrates a practical approach to selecting components from the secondary market.