Audi A3 8P 1.6 TDI Rear Left N/S Suspension Leg Wheel Carrier Hub Brake Disc

Audi A3 8P 1.6 TDI Rear Left N/S Suspension Leg Wheel Carrier Hub Brake Disc is a complete, used set of rear suspension components designed for the rear left side axle. The set combines the suspension leg, wheel carrier, brake disc, and caliper into a single item, which facilitates servicing and reduces repair time compared to sourcing individual components.

Specifications and technical data

• SKU: 1K0505435AB-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 1K0505435AB
• Substitutable numbers: 1K0505435AB, 1K0 505 435 AB, 1K0615423J, 1K0 615 423 J, 1K0615601AB, 1K0 615 601 AB
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and fitment

The presented set comes from the Suspension replacement kits group and is dedicated to Audi A3 8P family models with a 1.6 TDI engine, for the rear left axle. The vehicle placement is factory-defined as Rear, Left, which minimizes the risk of errors when selecting parts and simplifies service planning.

The components included in the set – suspension leg, wheel carrier, brake disc, and caliper – are structurally linked, forming a cohesive assembly module. This solution is particularly beneficial when replacing parts after a collision or in cases of advanced wear of several components simultaneously.

Set construction and function of individual elements

The suspension leg is responsible for transferring loads from the body to the wheel and maintaining the correct geometry of the rear axle. The wheel carrier serves as the mounting point for the wheel hub and works with other suspension elements to ensure stable vehicle handling. The brake disc and caliper integrated into the set form the primary working module of the braking system on the given wheel, responsible for effective deceleration.

Combining these components into one set reduces the need for additional part matching and decreases the risk of dimensional incompatibility between individual elements. For workshops, this means more predictable assembly time, and for the user, greater confidence in the proper operation of the suspension and brakes after the repair.

Benefits of using a complete suspension set

Choosing a complete rear suspension set with a leg, wheel carrier, disc, and caliper allows for:

• consistent restoration of the rear axle geometry on the left side,
• reduction in the number of potential leakage points and assembly clearances,
• reduction of the risk of wear differences between individual elements,
• simplification of the diagnostic and assembly process in workshop conditions.

For the user, this means more predictable vehicle behavior during braking and cornering, as well as easier maintenance of driving stability. The complete rear suspension module is especially recommended for repairs after mechanical damage, where replacing individual parts might not restore the full functionality of the system.

Characteristics of the used product

The offered set is a used item, which allows for an economical repair while maintaining the original construction specific to the Audi brand. This type of solution is often chosen by workshops specializing in servicing A3 8P models, where both technical compliance and rational repair costs are important. A used rear suspension set can be a good choice in situations where the vehicle has already covered a higher mileage, and investing in new components would be disproportionately high relative to the car's value.

To properly assess when to use a used part versus a new one, it is worth checking out practical tips regarding the selection of suspension elements. A detailed discussion of the differences between stock and sports solutions, as well as the principles of choosing suspension components, can be found in the article Stock vs. sports suspension – differences in construction and is it worth buying used suspension parts?.

Support for selecting other Audi suspension elements

If you are planning a comprehensive repair or upgrade of the rear suspension area in your Audi and need other elements from the same group, such as additional suspension legs, wheel carriers, or complete modules with discs and calipers, check the available parts in the Audi suspension replacement kits category.