Audi RSQ3 F3 Rear Axle Track Control Arm Wishbone Suspension Left N/S 5QF505225C

The Audi RSQ3 F3 Upper Rear Left Control Arm is a precise suspension component designed for the rear left side of the vehicle. Engineered for gasoline engine cars, it supports stable handling, correct wheel alignment, and predictable vehicle behavior during both daily and dynamic driving.

Specifications and technical data

• SKU: 5QF505225C
• Mark: Audi
• Condition: Used
• OEM Part Number: 5QF505224C
• Substitutable numbers: 5QF505224C, 5QF 505 224 C, 5QF505223C, 5QF 505 223 C
• Location on the vehicle: Rear, Left
• Fuel type: Petrol
• Part type: Control Arm & Ball Joint Assembly
• Category: Control Arms, Ball Joints & Assemblies

Purpose and Function in the Suspension

The presented Audi RSQ3 F3 Upper Rear Left Control Arm belongs to the Control Arms and Ball Joints category, responsible for precise wheel guidance and maintaining the correct geometry of the rear axle. Its placement on the rear left side of the vehicle means this component operates at a crucial point in the suspension system, transferring loads between the chassis and the wheel hub.

The control arm works in conjunction with other suspension components, such as springs, shock absorbers, and other arms, ensuring:

• stable rear axle handling during acceleration, braking, and cornering,
• maintenance of correct wheel geometry, which contributes to predictable vehicle responses,
• even load distribution to the chassis, reducing unwanted wheel movement.

Compatibility with Gasoline Units

This control arm is intended for use in vehicles with a gasoline engine, indicating its suitability for the mass and load distribution characteristics typical of this powertrain configuration. In practice, this translates to:

• consistent suspension behavior with the factory suspension settings,
• appropriate stiffness and durability within the parameters set by the vehicle manufacturer,
• preservation of ride comfort while maintaining precise handling.

Characteristics and Benefits of Use

As a component from the Audi Control Arms and Ball Joints group, this model is designed to maintain the vehicle's original handling parameters. The use of a suitable arm design and mounting points allows for:

• accurate replication of factory geometry after replacing a worn component,
• reduction of suspension play, which can cause knocking, pulling to one side, or instability at higher speeds,
• improved steering precision compared to a worn control arm, enhancing safety and driving confidence.

This part is from the Audi brand, promoting adherence to original design and assembly standards.

Application in Service and Suspension Diagnostics

Replacing the upper rear left control arm is recommended when play is detected in the ball joints, uneven tire wear is observed, there are issues with wheel alignment, or unusual noises are coming from the rear suspension. Installing a correctly chosen component allows for:

• restoration of proper suspension system operation after a collision or wear and tear,
• achieving correct camber and caster values during wheel alignment,
• increased predictability of vehicle behavior in emergency situations.

As part of comprehensive undercarriage service, it is advisable to consult the guide on suspension diagnostics and maintenance: Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers. This article helps to better understand the relationships between individual components, facilitating the selection of the right parts.

Other Audi Control Arms and Ball Joints

If you are looking for other Audi Control Arms and Ball Joints to complete a full suspension overhaul, check out our dedicated category: Audi Control Arms and Ball Joints. This will help you easily select other system components, maintaining brand consistency.