Audi A4 B8 2.0 TFSI CDNC Petrol Steering Track Tie Rod Right O/S 4G0423812A

Audi A4 B8 2.0 TFSI CDNC Petrol Steering Track Tie Rod Right O/S is a component from the Steering rods and ends group, designed for use in the front right area of the steering system. It enables precise transmission of movement from the steering gear to the steering knuckle, which translates into stable vehicle handling and predictable response to steering inputs.

Specifications and technical data

• SKU: 4G0423812A
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0423812A
• Substitutable numbers: 4G0423812A, 4G0 423 812 A
• Location on the vehicle: Front, Right
• Fuel type: Petrol
• Category: Tie Rods & Steering Linkages

Purpose and function in the steering system

The presented steering rod has been designed for Audi models with petrol engines, operating on the front axle on the right side. It is responsible for maintaining proper wheel geometry and a stable connection between the steering gear and the steering knuckle, which has a direct impact on driving safety, maneuvering efficiency, and even tire wear.

This component is particularly important in vehicles with the 2.0 TFSI unit, where the steering system must ensure confident handling both in daily city driving and during high-speed highway travel.

Technical and assembly characteristics

The rod is prepared for installation in the front part of the vehicle on the right side, which facilitates clear identification during service work. The design is adapted to work with the steering system used in the Audi A4 B8 with a petrol engine, making it possible to maintain factory handling and suspension performance parameters.

In practice, this means that after proper installation and wheel alignment, the driver receives:

• consistent, predictable reactions to steering movements,
• driving stability during braking and acceleration,
• reduced risk of uneven tire wear resulting from incorrect geometry.

Component condition and service application

The offered steering rod comes from the used parts group, which allows for an economical repair of the steering system while maintaining the original design specifications. This is a particularly beneficial solution in situations where it is necessary to replace a component after a collision, mechanical damage, or when excessive play is detected during a technical inspection.

Selecting the correct steering rod for a specific version of the Audi A4 B8 with a petrol engine reduces the risk of assembly problems and ensures compatibility with other suspension and steering system components.

Benefits of using the correct steering rod

Replacing a worn or damaged steering rod with the correct model for the Audi A4 B8 2.0 TFSI CDNC Petrol brings a number of practical benefits:

• restoration of correct front axle geometry and handling stability,
• reduction of vibrations and play felt on the steering wheel,
• increased driving confidence during quick maneuvers and highway driving,
• possibility of continued vehicle operation while maintaining the manufacturer's design assumptions.

For workshops and individual users, this means an efficient, technically sound repair without the need to interfere with other system elements than those that actually require replacement.

Expanding repairs within the Audi steering system

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

For drivers who want to deepen their knowledge about the diagnostics of drivetrain components and the relationship between the condition of the steering system and the operation of the drive, the guide article Clutch and dual-mass flywheel – diagnostics and selection of parts for the drivetrain, containing practical service tips and application examples, may be helpful.