Audi A6 C7 A7 4G Rear Axle Wheel Hub Bearing Carrier Left N/S 4G0505431C

Left Rear Wheel Hub and Knuckle for Audi A6 C7 / A7 4G is an original part from the Wheel Bearings, Hubs, and Bushings group, designed for installation on the rear axle on the driver's side. This solution is engineered to maintain factory suspension geometry, driving stability, and precise wheel control under demanding operating conditions.

Specifications and technical data

• SKU: 4G0505431C
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0505431C
• Substitutable numbers: 4G0505431C, 4G0 505 431 C
• Location on the vehicle: Rear, Left
• Part type: Wheel Hub & Bearing Assembly
• Category: Wheel Bearings, Hubs & Seals

Purpose and Function in Suspension

The left rear wheel knuckle with hub in the Audi A6 C7 / A7 4G is responsible for the stable mounting of the hub and bearing, as well as for proper connection with control arms and braking system components. Its placement on the vehicle on the left rear side means this component directly influences:

• maintaining correct rear axle wheel geometry,
• even distribution of loads from the body to the wheel,
• driving stability at higher speeds,
• operation of safety systems dependent on suspension geometry.

Original Audi Origin and Fitment

As an Audi part, the knuckle with hub has been specifically designed for the A6 C7 and A7 4G platforms, ensuring precise fitment to factory mounting points. The original design guarantees:

• compliance with factory dimensional tolerances,
• correct positioning of the hub relative to the brake disc and caliper,
• compatibility with standard control arms and other suspension components.

This ensures a predictable installation process without the need for modifications or adjustments of aftermarket parts.

Characteristics of a Used Component

The presented part comes from the Wheel Bearings, Hubs, and Bushings category and is offered as a used part. This means it retains the original Audi construction while offering an economical solution for rear suspension repairs. A used knuckle with hub is particularly beneficial in situations where:

• mechanical damage occurred due to a collision or impact with an obstacle,
• excessive wear of mounting sockets is present,
• restoring correct geometry is necessary after bodywork and mechanical repairs.

Benefits of Using an Original Knuckle with Hub

Using an original Audi part for the left rear suspension maintains the structural integrity of the entire drivetrain. In practice, this means:

• maintaining predictable vehicle handling during cornering and braking,
• reduced risk of accelerated tire wear resulting from incorrect geometry,
• easier adjustment of wheel alignment and camber angles at the diagnostic station.

For Audi A6 C7 and A7 4G owners, this is a way to preserve the characteristic comfort and confident handling of these models without resorting to low-quality aftermarket alternatives.

Audi Wheel Bearings, Hubs, and Bushings – Expansion and Modernization

If you are planning a comprehensive repair or modernization of the rear suspension area in your Audi and require other parts from the same group, such as additional hubs, wheel bearings, or mounting bushings, check the available parts in the Audi Wheel Bearings, Hubs, and Bushings category.

Why Consider a Used Part?

For components like knuckles and hubs, choosing a used OEM part is often a sensible compromise between cost and quality. To better understand the specifics of the aftermarket and make informed purchasing decisions, it is worth reading the article “Used Car Parts: Myths and Facts You Need to Know”, which clarifies the most important information regarding the safety, durability, and cost-effectiveness of using used components.