Audi A4 B7 Rear Coil Spring Suspension Set Left Right N/O/S KYB 8E0511115FJ

Audi A4 B7 Rear Coil Spring Suspension Set Left Right N/O/S KYB is a rear suspension coil spring set designed for the left and right axle of the Audi A4 B7 model. The set belongs to the Leaf and coil springs group, which means it is responsible for proper body support, stability, and predictable vehicle handling while driving. This is a solution for users who want to restore the correct operation of the rear suspension while maintaining the factory performance characteristics of the system.

Specifications and technical data

• SKU: 8E0511115FJ
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0511115FJ
• Substitutable numbers: 8E0511115FJ, 8E0 511 115 FJ
• Location on the vehicle: Rear, Right, Left
• Category: Leaf & Coil Springs

Purpose and vehicle placement

The presented spring set is designed for installation on the rear axle of the vehicle, intended for both the right and left sides. Such a solution allows for the uniform restoration of suspension characteristics on both sides, which is essential for directional stability, effective shock absorption, and predictable vehicle behavior in corners.

The springs work with standard Audi suspension components, ensuring consistency with the factory geometry and shock absorber operation. As a result, after installation, you can achieve repeatable suspension reactions to load, braking, and changes in direction, consistent with the manufacturer's specifications.

Technical and functional characteristics

The set belongs to the Leaf and coil springs group, which are elements responsible for carrying vertical loads, maintaining the appropriate body height, and working with shock absorbers to dampen vibrations. Using a dedicated rear set allows you to:

• maintain the correct suspension height under typical vehicle load,
• limit excessive body roll during dynamic driving,
• maintain stability when driving with passengers and luggage,
• reduce the risk of uneven tire wear resulting from improper spring operation.

Selecting springs for a specific Audi model minimizes the risk of incorrect stiffness or geometry matching, which is particularly important for daily use and long-distance driving.

Component condition and practical application

The spring set is offered as a used part, which provides a reasonable compromise between cost and functionality. This type of component can be a good choice for maintenance repairs when the goal is to restore proper suspension operation without the need to invest in a completely new system. It works well both for replacing individual worn elements and for broader service work on the rear axle.

Due to its dedicated design for Audi, the installation is oriented towards maintaining factory mounting points and working with original sub-assemblies. This facilitates workshop work and reduces the time required for fitting the parts.

Benefits of installation in the Audi A4 B7

Replacing worn springs with a complete rear suspension set brings measurable benefits in daily operation:

• more predictable vehicle handling at higher speeds,
• more stable vehicle behavior during braking and cornering,
• reduction of suspension bottoming under heavier loads,
• improved ride comfort due to proper cooperation with shock absorbers.

For users planning further operation of their Audi A4 B7, investing in properly selected rear springs is an essential element of maintaining vehicle safety and functionality.

Expansion of service work and tuning with used parts

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 springs, leaf springs, or related suspension components, check out the available parts in the Audi leaf and coil springs category.

For projects where you want to combine improved handling with cost optimization, it is worth considering the use of verified components from the secondary market. More practical tips on safely increasing performance using used sub-assemblies can be found in the article Tuning with used parts – how to gain performance without spending a fortune.