Arnott SK-3889 Suspension Strut and Coil Spring Assembly - Front

Overview of Arnott Coil Strut Assembly SK-3889

The Arnott Coil Strut Assembly SK-3889 is designed specifically for select Mercedes-Benz models, including the C180, C200, C230, C250, C280, C300, and C350. This suspension strut and coil spring assembly offers a reliable replacement option for maintaining proper ride height and vehicle stability.

• Compatible with Mercedes-Benz C-Class models: C180, C200, C230, C250, C280, C300, C350
• Part Number: SK-3889
• Gas charged twin-tube internal construction for consistent damping
• Steel housing with a 55.372 mm body diameter
• Includes coil spring, dust shield, and protective boot in black
• Standard grade type with passive travel length of 591 mm
• Upper mount type: bolt; lower mount type: bracket

About the Arnott Coil Strut Assembly Product Line

The Arnott Coil Strut Assembly product line focuses on providing integrated suspension strut and coil spring assemblies engineered for direct fitment. These assemblies are designed to restore factory ride height and suspension performance without requiring additional modifications. The SK-3889 model exemplifies this approach by combining a gas-charged twin-tube shock absorber with a coil spring and necessary protective components, ensuring durability and consistent handling characteristics.

Detailed Product Description

The Arnott SK-3889 coil strut assembly features a twin-tube internal construction that is gas charged to provide stable and reliable damping performance. The steel housing offers structural strength and durability, while the 55.372 mm body diameter ensures compatibility with the specified Mercedes-Benz C-Class models. This assembly includes a coil spring designed to maintain proper suspension travel length of 591 mm, which corresponds to the extended length of the strut. The upper mount uses a bolt type connection, and the lower mount is a bracket type, facilitating secure installation. Additionally, the assembly comes with a black boot and dust shield to protect internal components from dirt and debris, extending the service life of the strut.

Common Applications and Problem Resolution

• Replacement for worn or damaged suspension struts on Mercedes-Benz C180 through C350 models
• Restores proper ride height and suspension travel length
• Improves vehicle stability and handling by maintaining correct damping
• Eliminates noise and vibration caused by failing strut assemblies
• Protects suspension components from environmental damage with included dust shield and boot

Installation Notes and Tips

When installing the Arnott SK-3889 coil strut assembly, ensure the vehicle is securely lifted and supported. Verify that the upper bolt mount and lower bracket mount align correctly with the vehicle’s suspension points. It is recommended to inspect related suspension components such as control arms and bushings during installation. Proper torque specifications should be followed to avoid premature wear or failure. The included protective boot and dust shield should be positioned correctly to maximize component protection.

Quality Assurance and Warranty

Arnott manufactures the SK-3889 coil strut assembly to meet or exceed OEM standards for fit, form, and function. The use of gas-charged twin-tube technology and steel housing ensures durability and consistent performance. This part is backed by Arnott’s quality control processes, although specific warranty details should be confirmed with the supplier or manufacturer documentation.