Audi Q7 4M 3.0 TFSI e Suspension Leg Rear Left N/S Wheel Brake Disc Caliper

The Rear Left Suspension Assembly with Brake Disc and Caliper for Audi Q7 4M 3.0 TFSI e is a complete component from the Suspension Replacement Kits group, designed for installation on the rear axle on the driver's side. This product is sourced from dismantling, allowing for an economical yet technically sound repair of your Audi's running gear and braking system.

Specifications and technical data

• SKU: 4M0505431AE-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 4M0505431AE
• Substitutable numbers: 4M0505431AE, 4M0 505 431 AE, 4M0615403F, 4M0 615 403 F, 4M0615601P, 4M0 615 601 P
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and Vehicle Placement

The presented suspension assembly is designed for operation in the rear axle area, on the left side. It is responsible for transferring loads from the wheel to the body and cooperating with the braking system, ensuring driving stability and predictable vehicle behavior during braking, acceleration, and cornering.

The placement on the vehicle has been clearly defined, which facilitates the selection of the correct component and minimizes the risk of ordering errors. This is particularly important for modern SUVs, where suspension geometry and component selection directly impact driving safety.

Technical Characteristics of the Kit

The kit includes the rear left suspension strut along with the wheel, brake disc, and caliper, allowing it to be treated as a cohesive service module. This solution simplifies installation and reduces the need to match individual parts, as the key components working in one unit are already integrated.

As part of the Suspension Replacement Kits group, the product is intended for applications where the simultaneous replacement of several cooperating sub-assemblies is required – for example, after mechanical damage, a collision, or intensive use in harsh conditions.

Benefits of Using an Original Audi Component

Using an original Audi component allows you to maintain the factory characteristics of the suspension and braking system. Thanks to this:

• the rear axle geometry remains consistent with the manufacturer's design,
• the braking system interacts with the vehicle's safety systems in a predictable manner,
• you reduce the risk of improper part fitment and additional stresses on load-bearing elements.

A used suspension assembly is a good choice when you want to preserve the original vehicle construction while optimizing repair costs. This solution is particularly beneficial for post-accident repairs or when replacing components worn through normal use.

Selection, Installation, and Operation

Before installation, it is recommended to verify the part's compatibility with the specific version of the Audi Q7 4M 3.0 TFSI e, taking into account the installation side and the braking system configuration. After installation, it is necessary to adjust the rear axle geometry to ensure proper tire contact with the road surface and even tread wear.

To maximize the potential of the used suspension assembly and braking system, regular checks of the disc, pads, and mounting elements are advisable. Practical tips on maintenance and operation can be found in the article How to Extend the Lifespan of Used Car Parts?, which discusses, among other things, the principles of caring for suspension and dismantled parts.

Expanding Suspension Repairs in Audi

If you are planning a comprehensive repair or upgrade of the suspension area in your Audi and need other components from the same group, such as additional control arms, mounts, or complete axle modules, check the available parts in the Audi Suspension Replacement Kits category.