Mevotech CMK90421 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Mevotech Suspension Control Arm and Ball Joint Assembly Overview

The Mevotech CMK90421 suspension control arm and ball joint assembly is engineered for reliable performance in select Mercedes-Benz models. Designed with durable materials and corrosion-resistant finishes, this assembly ensures consistent handling and suspension stability.

• Pre-greased for immediate installation and smooth operation
• Includes natural rubber bushings for effective vibration dampening
• Grooved ball joint stud type for secure fitment
• Cast aluminium control arm construction for strength and reduced weight
• Corrosion-resistant silver finish to extend component life
• Unitized ball joint mounting type for enhanced durability
• Compatible with multiple Mercedes-Benz models including 300SD, 500SEL, and S600

Durable Construction and Design Features

This Mevotech suspension control arm and ball joint assembly (part number CMK90421) features a cast aluminium control arm that balances strength and weight reduction, contributing to improved vehicle handling. The natural rubber bushings included help absorb road vibrations, enhancing ride comfort. The grooved ball joint stud and unitized mounting type provide a secure and stable connection, reducing wear and maintaining alignment. Finished in corrosion-resistant silver, this assembly is built to withstand environmental exposure and maintain performance over time.

Compatible Mercedes-Benz Models

The CMK90421 is specifically designed for compatibility with a range of Mercedes-Benz vehicles, including the 300SD, 300SE, 400SE, 400SEL, 500SEC, 500SEL, 600SEC, 600SEL, CL500, CL600, S320, S350, S420, S500, and S600. This ensures precise fitment and reliable suspension performance for these models.

Common Applications and Problem Resolution

• Replacement of worn or damaged suspension control arms
• Restoring proper suspension geometry and alignment
• Eliminating clunking noises from ball joint or bushing wear
• Improving vehicle handling and steering response
• Addressing vibration and uneven tire wear issues

Installation Notes and Tips

The CMK90421 comes pre-greased and includes bushings, simplifying installation. It is recommended to have the suspension alignment checked and adjusted after installation to ensure optimal performance. Use proper tools to avoid damage to the ball joint stud and control arm during installation. This part is not adjustable, so precise fitment is critical.

Quality Assurance and Warranty

Mevotech provides this suspension control arm and ball joint assembly with a corrosion-resistant finish and durable materials to meet OEM standards. While specific warranty details should be confirmed at the point of purchase, Mevotech products typically include coverage against defects in materials and workmanship to support long-term reliability.