Mercedes-Benz A-Class W168 A160 Front Left N/S Suspension Brake Wheel Hub

Mercedes-Benz A-Class W168 A160 Front Left N/S Suspension Brake Wheel Hub is a component from the Suspension repair kits category, designed for installation on the front left axle of the vehicle. This is a used original part that allows for a technically correct repair of the suspension system while maintaining factory geometry and robust suspension performance parameters.

Specifications and technical data

• SKU: A1683301620
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: A1683301620
• Substitutable numbers: A1683301620, A 168 330 16 20, A1683370345, A 168 337 03 45, A1684200283, A 168 420 02 83, A1684210812, A 168 421 08 12
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension system

The steering knuckle with wheel hub is responsible for stable wheel guidance, transferring loads from the suspension to the body, and working in conjunction with steering and braking system components. In the version dedicated to the front, left side, it ensures proper mounting of the shock absorber, control arm, and steering components, which translates into predictable vehicle handling on the road.

Selecting a steering knuckle matched to the specific model is crucial for maintaining correct wheel alignment, even tire wear, and proper operation of the ABS system and brakes. Using the correct component reduces the risk of vibrations, vehicle pulling while driving, and premature wear of suspension elements.

Benefits of using an original steering knuckle

The original steering knuckle with wheel hub provides:

• factory mounting points for suspension and steering system components,
• proper compatibility with factory bearings and hubs,
• adequate structural rigidity under daily operating conditions.

This allows for maintaining the vehicle's structural integrity during suspension repairs, which is particularly important for precise wheel alignment and intensive vehicle use in both urban and extra-urban traffic.

Vehicle placement and installation aspects

The presented steering knuckle is intended for installation on the front, left side of the vehicle. In practice, this means it must be matched with the appropriate shock absorber, control arm, tie rod end, and brake caliper on that side. When replacing, it is recommended to:

• check the condition of the wheel bearing and mounting hardware,
• verify the condition of the control arm, ball joints, and metal-rubber bushings,
• perform a wheel alignment on a professional stand after installation.

This approach allows for fully utilizing the part's potential and reducing the risk of needing further suspension intervention in the near future.

Product characteristics and practical application

As an item from the Suspension repair kits category, this steering knuckle with wheel hub is suitable for both standard repairs following mechanical damage and for restoring factory handling parameters after a collision. The used nature of the part helps reduce repair costs while maintaining compliance with the vehicle manufacturer's specifications.

This is a particularly beneficial solution for users who want to keep their car in good technical condition while managing their service budget – especially during major suspension work involving several components at once.

Expanding suspension work

If you are planning a comprehensive repair or upgrade of the suspension area in your BMW and need other components from the same group, such as control arms, shock absorbers, or hubs, check out the available parts in the BMW suspension repair kits category.

Knowledge and inspiration regarding used parts

If you are interested in a broader context of using pre-owned components in German-brand cars – both for repairs and modifications – it is worth reading an article describing practical examples of using refurbished and used components, such as turbochargers or suspension elements: Audi on second-hand parts – tuning and repairs without losing quality.