Mercedes-Benz M-Class ML W163 270 CDI Front Left N/S Suspension Brake Wheel Hub

Mercedes-Benz M-Class ML W163 270 CDI Front Left N/S Suspension Brake Wheel Hub is a component from the Suspension replacement kits category, designed for operation on the front axle on the driver's side. It is a practical solution for users who want to systematically restore suspension geometry and ensure the proper operation of the braking system in their SUV.

Specifications and technical data

• SKU: A1633300420
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: A1633300420
• Substitutable numbers: A1633300420, A 163 330 04 20, A1633340010, A 163 334 00 10, A1634212398, A 163 421 23 98, A1634210512, A 163 421 05 12
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Purpose and vehicle placement

The offered wheel hub and brake-suspension assembly is designed for installation on the front left side of the vehicle. This placement is crucial for handling stability, correct braking force distribution, and maintaining proper wheel geometry in the Mercedes-Benz M-Class ML W163 270 CDI.

Precise fitment to the specific side of the vehicle reduces the risk of installation errors, facilitates the mechanic's work, and allows for consistency with the manufacturer's original design specifications.

Technical characteristics of the kit

The wheel hub integrated with brake and suspension components forms a functional module that transfers loads from the wheel to the steering knuckle and interacts with the front axle braking system. This type of solution:

• ensures stable wheel seating on the front axle,
• supports even force distribution during braking,
• improves wheel rotation smoothness and driving comfort,
• facilitates servicing due to its defined placement on the vehicle.

Thanks to a design consistent with the vehicle manufacturer's specifications, the kit allows for maintaining proper suspension and brake operating parameters, which is particularly important in heavier SUV-class vehicles.

Brand, origin, and condition of the component

The product is assigned to the BMW brand in the store's categorization system; however, it functionally corresponds to the front left hub and brake assembly used in the Mercedes-Benz M-Class ML W163 270 CDI. The item comes from the used parts segment, which allows for economical repair while maintaining a design consistent with OEM solutions.

The used nature of the component makes it a reasonable choice for users looking for a technically sound solution at an attractive price, while maintaining the vehicle's original running gear concept.

Application in service practice

The front left hub and brake-suspension kit will prove particularly useful in situations where mechanical damage has occurred in the wheel area, excessive bearing wear is present, or components interacting with the brake have been deformed. Replacing the complete module:

• speeds up the repair process compared to replacing individual parts separately,
• reduces the risk of component mismatch,
• facilitates the restoration of correct geometry and handling stability,
• allows for consistent servicing of the entire left side of the front axle.

This approach is particularly beneficial for vehicles used intensively, where both safety and predictable vehicle behavior in various road conditions are essential.

Technical support and additional materials

To maximize the potential of used suspension and braking system components, it is worth familiarizing yourself with practical tips regarding their operation and maintenance. Detailed advice can be found in the article How to extend the life of used car parts?, which describes, among other things, good service practices for suspension and dismantled components.

If you are planning a comprehensive repair or upgrade of the suspension zone in your BMW and need other elements from the same group, such as control arms, links, or additional hub modules, check the available parts in the BMW suspension replacement kits category.