Dorman 521-671 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-671 suspension control arm and ball joint assembly is engineered for reliable performance in Nissan and Suzuki vehicles. Designed specifically for models like the Nissan Frontier, Pathfinder, Xterra, and Suzuki Equator, this assembly ensures proper suspension function and vehicle stability.

• Pre-greased for immediate installation and smooth operation
• Includes rubber bushings and mounting hardware for a complete replacement
• Steel construction with casting/forged control arm for strength and durability
• Press-in ball joint with threaded stud for secure mounting
• Compatible with light suspension grade applications

Product Features and Specifications

This Dorman suspension control arm and ball joint assembly (part number 521-671) features a black steel control arm measuring up to 288.5 mm in width and 237 mm in length. The assembly includes a press-in ball joint with a 14 mm threaded stud and a 12.3 mm mounting hole diameter. Rubber bushings are pre-installed to reduce vibration and noise, and the unit comes with all necessary mounting hardware. The assembly is designed for non-adjustable suspension setups and is pre-greased to reduce initial wear.

Compatible Nissan and Suzuki Models

This control arm and ball joint assembly is compatible with several Nissan and Suzuki models, including the Nissan Frontier, Pathfinder, Xterra, and the Suzuki Equator. It is designed to meet the suspension requirements of these vehicles, providing a direct replacement for worn or damaged components.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Ball joint wear leading to uneven tire wear or clunking noises
• Loose or broken mounting hardware affecting suspension alignment
• Vibration or noise from deteriorated suspension components
• Reduced vehicle handling and control due to suspension component failure

Installation Notes and Tips

Installation of the Dorman 521-671 assembly requires basic suspension knowledge and tools. Since the ball joint is press-in type and pre-installed, no separate ball joint replacement is necessary. Ensure all mounting hardware is torqued to manufacturer specifications. The assembly is pre-greased, so additional lubrication is not required unless specified by the vehicle manufacturer. Verify compatibility with your specific Nissan or Suzuki model before installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 521-671 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in its long-term performance.