Mercedes V251 Rear Spindle Knuckle Wheel Carrier Hub Left N/S A1643500708

Mercedes V251 Rear Spindle Knuckle Wheel Carrier Hub Left N/S is an original chassis component from the Wheel bearings, hubs and bushings group, designed for installation on the rear left side of the vehicle. Its robust construction ensures stable wheel guidance, correct suspension geometry, and safe integration with other rear suspension components. This is a solution for users who expect precise fitment and predictable vehicle handling on the road.

Specifications and technical data

• SKU: A1643500708
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1643500708
• Substitutable numbers: A1643500708, A 164 350 07 08
• Location on the vehicle: Rear, Left
• Category: Wheel Bearings, Hubs & Seals

Function and role of the rear steering knuckle

The rear steering knuckle in Mercedes models is responsible for stable wheel hub mounting, guiding suspension components, and properly transferring loads from the wheel to the body. The version designed for the rear left side of the vehicle works in conjunction with control arms, the bearing, and the hub, maintaining specified camber and toe angles, which translates into predictable handling and even tire wear.

A correctly selected steering knuckle is particularly important after collisions, mechanical damage, or when geometry issues are identified, such as vehicle pulling, instability at higher speeds, or uneven tire wear.

Benefits of using an original Mercedes steering knuckle

Using a steering knuckle dedicated to a specific axle and side of the vehicle ensures:

• Factory fitment to the suspension and braking system of the specific Mercedes model.
• Proper transfer of longitudinal and lateral forces, which improves driving stability.
• The ability to correctly set the geometry after installation, without the need for component modification.
• Consistent cooperation with the hub, bearing, and bushings, reducing unwanted play.

A component from this group is crucial for safety, which is why choosing an original rear steering knuckle for a Mercedes is a sensible solution for suspension repairs.

Installation characteristics and purpose

The presented steering knuckle is designed for installation on the rear left side of the vehicle. The appropriate placement of mounting points allows for seamless connection with control arms, the shock absorber, the hub, and other chassis components. Thanks to a design consistent with factory specifications, it is possible to maintain the original vehicle handling parameters after performing a geometry adjustment.

The product comes from the used parts segment, which allows for an economical repair while maintaining the original design specifications. This is a good solution both for standard replacement of a damaged component and for rebuilding the suspension after more serious mechanical damage.

Condition and practical application

This type of rear steering knuckle is frequently chosen by workshops specializing in the Mercedes brand, as it allows for the restoration of proper suspension operation without the need to use aftermarket replacements with uncertain parameters. After installation, it is recommended to perform a full geometry measurement and adjustment to fully utilize the component's potential and ensure even tire wear and stable vehicle handling.

If you are planning a comprehensive repair or upgrade of the suspension and chassis area in your Mercedes and need other components from the same group, such as hubs, bearings, or bushings, check the available parts in the Mercedes wheel bearings, hubs and bushings category.

More about used parts

When choosing a used steering knuckle, it is worth knowing the facts regarding the durability and safety of such components. If you want to better understand how to properly select used suspension elements and dispel common doubts, read the article Used car parts: Myths and facts you need to know, which discusses the most important issues related to the use of such solutions in an accessible way.