Dorman 524-121 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Reliable Suspension Control Arm and Ball Joint Assembly

The Dorman 524-121 suspension control arm and ball joint assembly is engineered for Mercury Quest and Nissan Villager models. Designed to restore proper suspension function, this assembly ensures stable handling and improved ride quality.

• Pre-greased for immediate installation and reduced maintenance
• Includes rubber bushings and mounting hardware for a complete replacement
• Steel construction with casting/forged control arm for durability
• Bolt-in ball joint with threaded stud for secure fitment
• Compatible with light suspension grade requirements

Durable Construction and Design Features

This suspension control arm and ball joint assembly (part number 524-121) features a black-painted steel control arm built with casting and forging methods to provide strength and resistance to wear. The assembly comes pre-greased, eliminating the need for immediate lubrication, and includes rubber bushings that help absorb road vibrations. The ball joint is installed and ready to bolt in, with a threaded stud and a 14 mm thread diameter ensuring a secure connection. Mounting hardware is included, and the control arm has a maximum width of 288.5 mm and length of 237 mm, designed specifically for Mercury Quest and Nissan Villager vehicles requiring a light suspension grade component.

Compatible Vehicles and Applications

This Dorman suspension control arm and ball joint assembly is compatible with the following vehicles:

• Mercury Quest
• Nissan Villager

It is intended for use in suspension repairs where the control arm or ball joint shows signs of wear or damage, helping to restore proper wheel alignment and suspension geometry.

Common Suspension Issues Addressed

• Excessive play or looseness in the control arm or ball joint
• Uneven tire wear due to misalignment
• Clunking or knocking noises during driving
• Poor handling or steering response
• Vibration or instability at higher speeds

Installation Notes and Tips

The Dorman 524-121 assembly is designed for bolt-in installation with included mounting hardware. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary during installation. Ensure proper torque specifications are followed for mounting bolts and ball joint stud to maintain safety and performance. This part is not adjustable, so alignment should be checked and corrected after installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 524-121 control arm and ball joint assembly undergoes rigorous quality control to ensure durability and reliability. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship.