Dorman 521-813 Suspension Control Arm - Front Left Lower

Overview of Dorman Suspension Control Arm 521-813

The Dorman suspension control arm 521-813 is designed specifically for Toyota Sienna models, providing reliable suspension performance. Constructed from durable steel with a coated black finish, this control arm ensures long-lasting strength and corrosion resistance.

• Material: Heavy-duty steel construction
• Finish: Protective black coating for corrosion resistance
• Length: 262.5 mm overall length for precise fitment
• Bushing: Includes one black rubber bushing with 14.3 mm inside diameter
• Ball Joint: Welded ball joint mounting type with threaded stud (ball joint not included)
• Construction: Casting and forging for enhanced durability
• Mounting: Press-in end type with bushing linkage end

Detailed Product Description

This Dorman suspension control arm 521-813 is engineered to meet the exact specifications required for Toyota Sienna vehicles. The steel construction combines casting and forging processes to provide a robust and reliable component capable of withstanding daily driving stresses. The included rubber bushing reduces vibration and noise, improving ride quality. The black coated finish offers protection against rust and environmental damage, extending the service life of the control arm. While the ball joint is not included, the welded mounting type and threaded stud design allow for straightforward installation of compatible ball joints.

Common Applications and Problem Resolution

This control arm is used in the front suspension system of Toyota Sienna models to maintain proper wheel alignment and suspension geometry. It addresses several suspension-related issues, including:

• Excessive suspension noise or clunking
• Uneven tire wear due to misalignment
• Loose or unstable steering feel
• Vibration or harshness during driving
• Worn or damaged bushings causing suspension play

Installation Notes and Tips

• Ensure compatibility with your specific Toyota Sienna year and trim before installation
• Ball joint must be sourced separately and installed onto the welded mounting point
• Use proper torque specifications for mounting bolts and press-in bushing installation
• Inspect surrounding suspension components for wear during replacement
• Professional alignment is recommended after installation to maintain handling performance

Quality Assurance and Warranty

Dorman suspension control arm 521-813 is manufactured to meet OEM standards for fit, form, and function. The steel construction and coated finish contribute to durability and corrosion resistance. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship. Refer to Dorman's official warranty policy for complete information.