Suspensia X31CJ2221 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Suspensia Suspension Control Arm for Mercedes-Benz E350, E400, E550

The Suspensia Suspension Control Arm and Ball Joint Assembly (Part Number X31CJ2221) is engineered for precise fitment on Mercedes-Benz E350, E400, and E550 models. Designed with corrosion-resistant aluminum and pre-greased components, this control arm assembly ensures reliable suspension performance and durability.

• Corrosion resistant aluminum control arm in grey finish
• Pre-greased ball joint with press-in mounting type
• Threaded ball joint stud for secure attachment
• Includes mounting hardware and bushings for complete installation
• Composite bearing type for enhanced wear resistance
• Control arm dimensions: maximum width 4.803 inches, maximum length 18.937 inches
• Non-adjustable design for direct OEM replacement

Durable Construction and Precise Engineering

This Suspensia control arm assembly is crafted from lightweight aluminum, providing strength while reducing unsprung weight. The corrosion-resistant finish protects against environmental damage, extending the lifespan of the suspension component. The ball joint is pre-greased and features a press-in mounting type with a threaded stud, ensuring a secure and reliable connection to the vehicle’s suspension system. Included bushings and mounting hardware simplify installation and maintain proper suspension geometry for Mercedes-Benz E350, E400, and E550 models.

Compatible Applications and Common Repairs

This control arm assembly is specifically compatible with Mercedes-Benz E350, E400, and E550 vehicles. It is designed to address suspension issues such as:

• Worn or damaged control arm bushings causing steering instability
• Ball joint wear leading to uneven tire wear or clunking noises
• Corrosion or metal fatigue compromising suspension integrity
• Loose or damaged mounting hardware affecting alignment
• Replacement of OEM control arms for maintenance or repair

Installation Notes and Tips

Installation of the Suspensia X31CJ2221 control arm assembly requires standard suspension tools and mechanical knowledge. Since the ball joint is press-in type and pre-greased, no additional greasing is necessary. Ensure all mounting hardware is torqued to manufacturer specifications. Alignment check and adjustment are recommended after installation to maintain proper handling and tire wear.

Quality Assurance and Warranty

Suspensia suspension components are manufactured to meet or exceed OEM standards. The corrosion-resistant finish and composite bearing materials contribute to long service life. This control arm assembly includes mounting hardware and bushings for a complete replacement solution. Warranty details are provided by Suspensia and typically cover defects in materials and workmanship under normal use.