Audi Q5 FY 80A Rear Wishbone Suspension Control Arm Left N/S 80A505397A

Audi Q5 FY 80A Rear Wishbone Suspension Control Arm Left N/S is an original component from the Control arms and ball joints group, designed for the rear left suspension of the Audi Q5 FY generation model. Precise factory geometry ensures proper wheel alignment, vehicle stability, and predictable handling during braking and cornering.

Specifications and technical data

• SKU: 80A505397A
• Mark: Audi
• Condition: Used
• OEM Part Number: 80A505397A
• Substitutable numbers: 80A505397A, 80A 505 397 A
• Location on the vehicle: Rear, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension system

The presented control arm operates on the rear axle on the left side, responsible for maintaining correct suspension geometry and controlling wheel position relative to the body. As a structural element of the multi-link system, it works with other suspension components, transferring loads generated during acceleration, braking, and driving over uneven surfaces.

Thanks to its factory fitment for the Audi Q5 FY platform, the control arm allows for maintaining proper camber and toe angles, which translates into stable handling, even tire wear, and predictable vehicle response to steering inputs.

Benefits of using an original rear control arm

Using an original rear control arm in the Audi Q5 FY offers a number of practical advantages:

• preservation of the vehicle's factory handling characteristics,
• secure fitment to mounting points on the body and steering knuckle,
• proper cooperation with other multi-link suspension components,
• reduced risk of incorrect geometry after wheel alignment.

For the user, this means more predictable vehicle behavior in emergency situations, better traction, and comfortable suspension operation during daily use.

Selection, installation, and practical application

The rear left control arm for the Audi Q5 FY is designed for installation in a specific position on the vehicle, so when selecting parts, it is crucial to pay attention to the mounting side and placement on the rear axle. After installation, it is recommended to perform a full suspension geometry measurement and adjustment to fully utilize the potential of the chassis design.

This component is particularly recommended in the case of:

• mechanical suspension damage after a collision or hitting an obstacle,
• excessive play in the wheel guidance system,
• uneven tire wear resulting from incorrect geometry.

A properly selected control arm helps restore correct suspension operating parameters, which has a direct impact on driving safety.

Audi control arms and ball joints – suspension expansion and service

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 guide elements, check the available parts in the Audi control arms and ball joints category.

Technical support and knowledge about the suspension system

For users who want to better understand the relationships between the operation of control arms, shock absorbers, and stabilizers, a guide describing the impact of individual components on safety and driving comfort will be useful. A detailed discussion of these issues can be found in the article "Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers", which helps in consciously planning suspension service and upgrades.

If you are interested in a broader perspective on selecting original, used components for popular car models, it is also worth reading the guide material on the most frequently chosen used car parts, which facilitates making rational purchasing decisions when servicing a vehicle.