Audi RSQ3 F3 Stabilizer Rear Suspension Anti Roll Bar Sway 21,7 X 3,6 mm

Audi RSQ3 F3 Stabilizer Rear Suspension Anti Roll Bar Sway 21,7 X 3,6 mm is a suspension component designed for the rear axle of the sporty RSQ3 F3 generation model. It is responsible for reducing body roll, improving cornering stability, and ensuring more precise handling, which is particularly important in high-performance vehicles. Thanks to the factory Audi design, this stabilizer ensures consistent vehicle behavior in line with the manufacturer's specifications and predictable suspension performance.

Specifications and technical data

• SKU: 8V0511305A
• Mark: Audi
• Condition: Used
• OEM Part Number: 8V0511305A
• Substitutable numbers: 8V0511305A, 8V0 511 305 A
• Location on the vehicle: Rear
• Category: Sway Bars, Links & Bushings

Purpose and function in the suspension system

The rear axle stabilizer in the Audi RSQ3 F3 acts as a connecting element between the left and right sides of the suspension, reducing the difference in wheel deflection when cornering. In practice, this means:

• reduced body roll during dynamic driving,
• more neutral vehicle behavior in curves,
• better tire contact with the road surface,
• greater predictability of vehicle response during load changes.

Thanks to its tuned stiffness, the stabilizer works in harmony with other suspension components, maintaining the handling characteristics intended for the RS version.

Construction and operating parameters

The stabilizer features a cross-section and thickness matched to the loads generated by the rear axle of the Audi RSQ3 F3. The diameter and wall thickness have been designed to provide the right compromise between stiffness and flexibility for both daily and dynamic use. This configuration allows for:

• effective transfer of lateral forces without excessive suspension stiffening,
• maintaining ride comfort while increasing stability,
• preserving proper wheel geometry under lateral load.

As an element from the Stabilizers, clamps and bushings group, the stabilizer works with bushings and mounts that are responsible for its proper guidance and vibration damping.

Vehicle placement and installation aspects

The presented stabilizer is intended for installation on the rear axle, which is crucial for maintaining the balance between the front and rear of the vehicle. A properly selected and installed component affects:

• stability at higher speeds,
• safer vehicle behavior during sudden maneuvers,
• reduction of oversteer or understeer resulting from improper rear suspension performance.

As a part sourced from dismantling, the stabilizer allows for economical repair or restoration of the factory suspension configuration while maintaining the original system performance characteristics.

Practical application and benefits of choosing OEM parts

Choosing a rear stabilizer dedicated to the Audi RSQ3 F3 is particularly important in the case of:

• replacing a damaged or corroded component,
• restoring factory handling parameters after suspension modifications,
• post-accident repairs in the rear axle area.

The original Audi design ensures consistency with the factory suspension project, which translates into predictable vehicle behavior and compatibility with stock mounts, bushings, and other components from the Stabilizers, clamps and bushings group.

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 front stabilizers, mounting clamps, or bushings, check the available parts in the Audi Stabilizers, clamps and bushings category.

Safe selection of used chassis components

When choosing a used rear stabilizer, it is worth paying attention to the condition of the working surfaces, the absence of cracks in the bending zones, and the condition of the contact points with bushings and mounts. A properly selected and verified component allows for maintaining safety and correct operation of the chassis without the need to invest in new parts.

If you want to deepen your knowledge on the conscious selection of used components in critical vehicle systems, our blog guide will be helpful: Second-hand braking system: how to safely choose discs, calipers, and ABS?. Although it mainly concerns brakes, the principles of assessing technical condition and verifying parts presented there can also be applied when selecting suspension elements.