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| Manufacturer | Model | Version | Engine code | Construction type | Construction start | Construction end | Pk | Power kw |
 MERCEDES-BENZ |
| Manufacturer | Productnumber |
| MERCEDES-BENZ | 638 330 00 27 , 6383300027 |
| MERCEDES-BENZ | 638 333 00 27 , 6383330027 |
| MERCEDES-BENZ | A638 330 00 27 , A6383300027 |
| MERCEDES-BENZ | A638 333 00 27 , A6383330027 |
| Usage numbers |
A ball joint is a critical component of the suspension system that connects the control arm to the steering knuckle. It functions like a pivot point, allowing the front wheels to move up and down with the suspension while also turning left and right for steering. This ensures smooth handling, steering precision, and proper alignment.
Typical symptoms include:
Clunking or knocking noises from the front suspension, especially over bumps
Uneven tire wear or inner/outer edge wear
Loose or wandering steering
Vibration or play in the steering wheel
Squeaking noise when turning (especially at low speeds)
If ignored, a severely worn ball joint can separate, causing loss of steering control — a serious safety hazard.
To ensure a perfect fit, match the OEM part number or check compatibility using your vehicle’s make, model, year, and chassis number (VIN). You should also confirm:
Position (Upper / Lower / Front / Rear)
Drive type (2WD / 4WD)
Mounting style (press-in / bolt-on / snap-in)
If you’re unsure, our team can help verify the correct part based on your vehicle details.
It’s recommended to inspect and replace ball joints in pairs (left and right) to maintain balanced suspension geometry and even tire wear. If one is worn out, the other is often close to the same condition. During replacement, check control arm bushings, tie rods, and shock absorbers for wear as well.
High-quality ball joints can last between 80,000 – 150,000 km, depending on road conditions and driving habits. Factors that shorten lifespan include:
Driving on rough or uneven roads
Poor lubrication or damaged rubber boots
Heavy load or off-road use
Regular inspection and replacing dust boots when torn can extend service life.
Yes. We supply original quality and premium aftermarket ball joints manufactured to OEM standards. Each unit is tested for fitment accuracy, durability, and load-bearing strength. All products come with a warranty against manufacturing defects, ensuring reliable and long-lasting performance.
Ball Joint
FEBI BILSTEIN - Febi Bilstein is a renowned brand synonymous with excellence in the automotive aftermarket industry. Specializing in a wide range of components including suspension parts, engine components, steering systems, and more, Febi Bilstein ensures optimal performance and reliability for vehicles of all makes and models. Their commitment to innovation and precision engineering is evident in every product, meeting or exceeding OEM standards.
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