Dorman 521-249 Suspension Control Arm - Front Left Lower

Durable Suspension Control Arm for Lexus and Toyota Vehicles

The Dorman 521-249 suspension control arm is engineered to provide reliable performance for select Lexus and Toyota models. Designed with quality steel construction and a coated finish, this control arm ensures durability and resistance to corrosion for long-lasting use.

• Constructed from robust steel with casting and forging methods
• Black coated finish for enhanced corrosion resistance
• Includes a rubber bushing with black color for vibration dampening
• Overall length of 262.5 mm with precise bushing dimensions
• Welded ball joint mounting with threaded stud type (ball joint not included)
• Compatible with Lexus NX200t, NX300, NX300h, and Toyota RAV4 models

Technical Details and Construction

This suspension control arm features a combination of casting and forging construction techniques to provide strength and rigidity. The steel material is coated in black to protect against rust and wear. It includes a single rubber bushing with an inside diameter of 14.3 mm, outside diameter of 39.6 mm, and a length of 92 mm, designed to absorb road vibrations and improve ride quality. The ball joint mounting is welded with a threaded stud type, though the ball joint itself is not included. The control arm measures 262.5 mm in overall length and uses a press-in type for the second end, ensuring a secure fit within the suspension system.

Compatible Vehicles and Applications

This Dorman suspension control arm (part number 521-249) is compatible with the following vehicles:

• Lexus NX200t
• Lexus NX300
• Lexus NX300h
• Toyota RAV4

It is designed to replace worn or damaged control arms in these models, restoring proper suspension geometry and handling characteristics.

Common Issues Addressed by This Control Arm

• Excessive suspension noise or clunking during driving
• Uneven tire wear caused by misaligned suspension components
• Reduced steering responsiveness or stability
• Vibration or harshness transmitted through the suspension
• Visible wear or damage to existing control arm bushings

Installation Notes and Tips

Installation of the Dorman 521-249 control arm requires basic suspension knowledge and appropriate tools. Note that the ball joint is not included and must be transferred from the original control arm or purchased separately. Mounting hardware is also not included. Ensure all mounting points are clean and free of debris before installation. Proper torque specifications should be followed to maintain suspension integrity. A professional alignment is recommended after installation to ensure optimal vehicle handling.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit and function. The 521-249 control arm undergoes rigorous quality checks to ensure durability and performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their suspension parts. Refer to the product packaging or manufacturer documentation for exact warranty terms.