Audi A4 B7 Rear Suspension Spring Control Arm Lower Track Right O/S 8E0505312

Audi A4 B7 Rear Suspension Spring Control Arm Lower Track Right O/S is a component from the Control arms and ball joints category, designed for the rear right suspension axle of the Audi A4 B7 generation model. It is responsible for precise wheel guidance, driving stability, and correct suspension geometry, which translates into safe and predictable vehicle handling.

Specifications and technical data

• SKU: 8E0505312
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0505312
• Substitutable numbers: 8E0505312, 8E0 505 312
• Location on the vehicle: Rear, Right
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension system

The presented rear right suspension control arm is a key link in the Audi's rear suspension, connecting the wheel hub to other system components. It is responsible for:

• maintaining the correct wheel position relative to the body,
• stable transfer of vertical and lateral loads,
• maintaining correct toe and camber angles,
• reducing unwanted play in the suspension.

Thanks to its properly designed geometry, the control arm works with other suspension components, ensuring predictable vehicle reactions during braking, acceleration, and cornering.

Vehicle placement and fitment

The element is designed for installation in the rear right part of the vehicle, which is crucial for correct part selection and subsequent geometry alignment. Precise fitment to the Audi A4 B7 construction allows for:

• maintaining factory handling characteristics,
• proper cooperation with stock springs, shock absorbers, and ball joints,
• reducing the risk of incorrect installation or stress in the system.

Proper placement on the vehicle also promotes even distribution of forces in the suspension, which is important for the durability of other components.

Product characteristics and benefits of installation

The Audi A4 B7 Rear Suspension Spring Control Arm Lower Track Right O/S, as a structural suspension component, has been developed to maintain high rigidity while dampening vibrations transmitted from the road surface. Installing this component allows for:

• reducing unwanted play and knocking in the rear axle,
• improving stability at higher speeds,
• more even tire wear due to correct geometry,
• maintaining predictable vehicle behavior in emergency situations.

As a part from the Control arms and ball joints category, the component works with joints, bushings, and other suspension elements, creating a cohesive system responsible for ride comfort and safety.

Condition, verification, and practical application

The offered item is in used condition, meaning it has been removed from a vehicle and verified for further serviceability. This type of solution is often chosen for:

• post-accident rear axle repairs,
• mechanical damage resulting from hitting a curb or obstacle,
• the need for a quick and economical replacement of a structural suspension element.

Selecting the correct rear right control arm has a direct impact on the ability to properly set the geometry and on the durability of tires and other suspension parts, which is why it is worth choosing a component dedicated to the specific Audi model.

Technical support and suspension knowledge development

For users who want to better understand how the suspension works and the relationships between control arms, shock absorbers, and stabilizers, the following guide will be useful: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers. It allows you to organize your knowledge regarding the diagnostics and operation of suspension elements in various car models.

If you are planning a comprehensive repair or upgrade of the rear suspension area in your Audi and need other elements from the same group, such as additional control arms, ball joints, or mounting hardware, check the available parts in the Audi control arms and ball joints category.

If you are considering using aftermarket components and want to consciously compare stock solutions with more sporty configurations, the article Stock vs. sports suspension – design differences and is it worth buying used suspension parts? will be helpful, as it discusses the practical aspects of choosing used suspension elements.