Mevotech CMK90420 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Mevotech Suspension Control Arm and Ball Joint Assembly Overview

The Mevotech CMK90420 suspension control arm and ball joint assembly is engineered for select Mercedes-Benz models, including the 300SD, 300SE, 400SE, 400SEL, 500SEC, 500SEL, 600SEC, 600SEL, CL500, CL600, S320, S350, S420, S500, and S600. Designed to restore precise steering and suspension performance, this assembly combines durable materials with pre-greased components for reliable operation.

• Pre-greased ball joint for immediate use and reduced maintenance
• Includes natural rubber bushings for effective vibration dampening
• Grooved ball joint stud type for secure fitment
• Cast aluminium control arm construction for strength and corrosion resistance
• Unitized ball joint mounting type for enhanced durability
• Silver corrosion-resistant finish to withstand environmental exposure
• Control arm dimensions: maximum width 11.25 inches, maximum length 10.875 inches

Detailed Product Description

The Mevotech CMK90420 control arm and ball joint assembly 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 models. Constructed from cast aluminium, the control arm offers a balance of lightweight design and structural integrity, while the natural rubber bushings help absorb road vibrations and reduce noise. The ball joint features a grooved stud type and a unitized mounting system, ensuring a secure and stable connection to the suspension system. Additionally, the assembly comes pre-greased, minimizing initial maintenance and facilitating smoother installation. The corrosion-resistant silver finish further protects the component from rust and environmental damage, extending its service life.

Common Applications and Problem Resolution

• Restores proper suspension geometry and alignment on Mercedes-Benz 300SD, 300SE, 400SE, and related models
• Eliminates excessive play or looseness in the control arm and ball joint assembly
• Reduces vibration and noise caused by worn bushings or ball joints
• Addresses uneven tire wear resulting from faulty suspension components
• Improves steering response and vehicle handling stability

Installation Notes and Tips

• Verify compatibility with your specific Mercedes-Benz model before installation
• Ensure all mounting surfaces are clean and free of debris prior to assembly
• Torque all fasteners to manufacturer specifications to maintain suspension integrity
• Check alignment after installation to confirm proper suspension geometry
• Pre-greased ball joint reduces the need for immediate lubrication but inspect periodically

Quality Assurance and Warranty Information

Mevotech manufactures the CMK90420 suspension control arm and ball joint assembly to meet or exceed OEM standards for fit, form, and function. The use of cast aluminium and natural rubber bushings ensures durability and performance under typical driving conditions. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in its reliability for Mercedes-Benz 300SD, 300SE, 400SE, and other compatible models.