Audi RS3 8Y Rear Axle Control Arm Wishbone Left Right N/O/S 5QA505371D

Audi RS3 8Y Rear Axle Control Arm Wishbone Left Right is a component from the Control arms and ball joints group, designed for use on the left or right side of the rear axle. The original Audi design ensures proper suspension geometry, stable vehicle handling, and predictable behavior during acceleration and braking. This used OEM component is a sensible choice for suspension maintenance when you prioritize factory fitment and controlled repair costs.

Specifications and technical data

• SKU: 5Q0505311E
• Mark: Audi
• Condition: Used
• OEM Part Number: 5Q0505311E
• Substitutable numbers: 5Q0505311E, 5Q0 505 311 E, 5QA505371D, 5QA 505 371 D
• Location on the vehicle: Rear, Right, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension

The presented rear axle control arm operates in the suspension area responsible for maintaining the correct position of the wheel relative to the body. Its task is to transfer longitudinal and lateral loads, stabilize the driving path, and limit unwanted changes in wheel alignment and camber.

Thanks to precise geometry and the use of ball joints and metal-rubber bushings, the control arm helps maintain:

• stable vehicle handling at higher speeds,
• repeatable suspension behavior during dynamic driving,
• even tire wear by maintaining correct wheel alignment.

Construction and mounting fitment

The control arm is designed as a component compatible with the rear axle on either the left or right side, which facilitates part selection for symmetrical repairs. The OEM design guarantees correct mounting points to the body and wheel hub, as well as compatibility with factory ball joints and other suspension elements.

Key structural advantages include:

• factory fitment to the Audi suspension system,
• preservation of the original rear axle operating characteristics,
• possibility of installation on both sides of the vehicle within the rear axle.

Benefits of using an original control arm

Using an original control arm from the Control arms and ball joints group allows you to maintain the integrity of the entire suspension system. Compared to aftermarket replacements, the OEM component ensures predictable vehicle behavior in line with the manufacturer's specifications, which is particularly important in high-performance vehicles.

In practice, this means:

• better vehicle control during sudden maneuvers,
• lower risk of incorrect alignment settings after replacement,
• easier diagnostics of potential play and knocking in the suspension.

Component condition and service application

The offered control arm is a used part, which allows for reduced repair costs while maintaining the original manufacturer's specifications. This type of component is suitable both for point replacement of a damaged control arm and for broader rear axle service, including inspection of ball joints, bushings, and other guiding elements.

After installation, it is recommended to perform a wheel alignment to fully utilize the suspension properties and ensure even tire wear and stable vehicle handling.

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 control arms, ball joints, or rear axle guiding elements, check the available parts in the Audi control arms and ball joints category.

To better plan your suspension service and understand the relationships between shock absorbers, control arms, and stabilizers, it is worth consulting a technical guide – you will find practical tips in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers.