Audi S5 8T 4.2 FSI CAUA Petrol Steering Track Tie Rod Left N/S 8K0422817B

Audi S5 8T 4.2 FSI CAUA Petrol Steering Track Tie Rod Left N/S is a precision steering system component designed for installation on the front left side of a petrol-powered vehicle. The original design from the Steering rods and ends group ensures proper transmission of movement from the steering gear to the steering knuckle, which translates into stable, predictable vehicle handling. This used OEM component is a sensible choice for professional repair or maintenance of the steering system in an Audi.

Specifications and technical data

• SKU: RHD-8K0422817B
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0422817B
• Substitutable numbers: 8K0422817B, 8K0 422 817 B
• Location on the vehicle: Front, Left
• Fuel type: Petrol
• Category: Tie Rods & Steering Linkages

Purpose and function in the steering system

The presented tie rod is dedicated to the Audi S5 8T generation model with a 4.2 FSI petrol engine, operating on the front left side. Its task is to precisely transmit movement from the steering rack to the wheel, while maintaining proper suspension geometry and toe-in angles. A correctly selected and installed component reduces play in the system, improves steering response, and supports vehicle stability at higher speeds.

In the case of a sports coupé like the Audi S5, the proper condition of the tie rods is of particular importance for maintaining the characteristic handling dynamics, driving precision, and even tire wear.

Construction and technical characteristics

The tie rod operating on the front left side of the vehicle is the component connecting the steering gear to the tie rod end. The design provided by the manufacturer, Audi, ensures:

• adequate rigidity while maintaining the required flexibility in the suspension,
• the possibility of precise toe-in adjustment after installation,
• compatibility with the factory steering system and suspension of the Audi S5 8T.

As an OEM component, the tie rod has been designed to work with the steering system of a vehicle powered by a petrol engine, which guarantees dimensional and functional compliance with the factory specification.

Practical application and installation

The tie rod on the front left side is primarily used for:

• eliminating play in the steering system,
• repairs after collisions or mechanical damage to the suspension,
• comprehensive regeneration of the front suspension in an Audi S5 8T.

After replacing the component, it is recommended to perform a professional wheel alignment to fully utilize the capabilities of the steering system and ensure even vehicle handling. A used, original component allows for maintaining the factory operating characteristics, which is particularly important in high-performance cars.

Benefits of using an original Audi tie rod

Choosing an original tie rod for the Audi S5 8T 4.2 FSI brings a number of practical benefits:

• Factory fit – compatibility with the design of the steering column, steering knuckle, and other suspension components.
• Consistent handling characteristics – maintaining predictable response to steering movements, without unwanted delays or excessive play.
• Optimal cooperation with the suspension system – proper load transfer during dynamic driving and daily use.

A used OEM component is a good solution for users who want to keep their car in a condition close to factory-new, while maintaining reasonable service costs.

Expanding Audi steering system service

If you are planning a comprehensive repair or upgrade of the steering system area in your Audi and need other components from the same group, such as additional rods, ends, or related connecting elements, check the available parts in the Audi steering rods and ends category.

For drivers interested in a broader perspective on selecting used components for cars with a sporty character, an interesting supplement to your knowledge may be an article on comparing turbochargers in the Mini Cooper S – Go-Kart Feeling XXL: used N18 vs. B48 turbocharger – what to choose for a Mini Cooper S?, which shows what to look for when choosing used OEM parts with increased operational requirements.