Moog RK80528 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Moog RK80528 Suspension Control Arm and Ball Joint Assembly Overview

The Moog RK80528 suspension control arm and ball joint assembly is engineered for precise fitment on select BMW models including the 320i, 323Ci, 325Ci, 328i, 330i, and Z4. Designed with durability and performance in mind, this assembly integrates a forged aluminum control arm with a pre-greased ball joint to ensure reliable suspension function.

• Pre-greased ball joint for immediate use
• Forged aluminum control arm for strength and reduced weight
• Includes rubber bushings for vibration dampening
• Press-in ball joint with threaded stud for secure mounting
• Mounting hardware included for straightforward installation
• Compatible with BMW 320i, 323Ci, 323i, 325Ci, 325i, 328Ci, 328i, 330Ci, 330i, and Z4 models
• Control arm maximum length: 13.870 inches
• Control arm finished in gray for corrosion resistance

Detailed Product Description

The Moog RK80528 suspension control arm and ball joint assembly is constructed from forged aluminum, providing a balance of strength and lightweight performance critical for maintaining proper suspension geometry. The assembly comes pre-greased, eliminating the need for initial lubrication and reducing maintenance requirements. Rubber bushings are included to absorb road vibrations and reduce noise, enhancing ride comfort. The ball joint features a press-in mounting type with a threaded stud, ensuring a secure and reliable connection to the vehicle’s suspension system. This assembly is designed specifically for various BMW models such as the 320i, 323Ci, 325i, 328i, 330i, and Z4, ensuring precise fitment and compatibility.

Common Applications and Issues Addressed

• Replacement of worn or damaged suspension control arms on BMW 320i, 323Ci, 325i, 328i, 330i, and Z4 models
• Correction of suspension misalignment and uneven tire wear
• Elimination of clunking noises caused by faulty ball joints or bushings
• Restoration of steering stability and handling performance
• Improvement of ride comfort by reducing vibration and harshness

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before installation
• Use included mounting hardware to maintain proper torque specifications
• Verify ball joint stud threads match vehicle specifications for secure fit
• Check alignment after installation to maintain suspension geometry
• Although pre-greased, inspect ball joint periodically for wear during routine maintenance

Quality Assurance and Warranty

Moog suspension components are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The RK80528 assembly undergoes rigorous quality control to provide consistent fit and function. While specific warranty details may vary, Moog typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.