Moog RK90418 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Forward

Overview of Moog RK90418 Suspension Control Arm Assembly

The Moog RK90418 suspension control arm and ball joint assembly is engineered for precise fitment on select BMW models including the 525i, 528i, 530i, and Z8. Designed with durability and performance in mind, this assembly features a forged aluminum control arm and pre-greased components to ensure smooth operation and long service life.

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings for effective vibration dampening
• Forged aluminum control arm for strength and corrosion resistance
• Press-in ball joint with threaded stud for secure mounting
• Gray control arm color with a maximum length of 16.85 inches
• Mounting hardware included for straightforward installation

Detailed Product Description

The Moog RK90418 suspension control arm and ball joint assembly is specifically designed to meet the suspension needs of BMW 525i, 528i, 530i, and Z8 models. The control arm is constructed from forged aluminum, providing a balance of lightweight strength and resistance to corrosion. This assembly comes pre-greased, eliminating the need for initial lubrication and helping to reduce wear over time. Rubber bushings are included to absorb road vibrations and improve 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. The gray finish on the control arm offers a clean, durable surface that resists environmental damage. With a maximum length of 16.85 inches, this control arm assembly is engineered to match OEM specifications for proper suspension geometry.

Common Applications and Problem Resolution

• Replacement for worn or damaged suspension control arms on BMW 525i, 528i, 530i, and Z8
• Addresses issues with loose or noisy ball joints affecting steering precision
• Resolves vibration and harshness caused by deteriorated bushings
• Corrects suspension misalignment due to bent or fatigued control arms
• Improves overall vehicle handling and stability

Installation Notes and Tips

Installation of the Moog RK90418 control arm assembly should be performed by a qualified technician familiar with BMW suspension systems. Since the ball joint is press-in type with a threaded stud, proper tools are required to ensure secure mounting. The assembly comes pre-greased, so additional lubrication is not necessary during installation. Verify torque specifications according to BMW service manuals to maintain suspension integrity and safety.

Quality Assurance and Warranty

Moog suspension components are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The RK90418 control arm assembly undergoes rigorous quality control testing to provide consistent fit and function. While specific warranty details are not provided here, Moog typically offers limited warranties on their suspension parts; customers should consult official Moog documentation or authorized distributors for exact warranty terms.