Dorman 521-571 Suspension Control Arm - Front Left Lower

Overview of Dorman Suspension Control Arm for Lincoln LS

The Dorman 521-571 suspension control arm is designed specifically for the Lincoln LS, providing reliable suspension performance. Crafted from durable aluminum with a coated black finish, this control arm ensures long-lasting strength and corrosion resistance.

• Constructed from lightweight aluminum with casting and forging for enhanced durability
• Includes a black rubber bushing with a 14.3 mm inside diameter for smooth suspension articulation
• Overall length of 262.5 mm to match Lincoln LS suspension specifications
• Features a welded ball joint mounting type with a threaded stud (ball joint not included)
• Coated finish for corrosion protection and extended service life
• Press-in end type with bushing linkage for secure fitment
• Includes one rubber bushing; mounting hardware and ball joint are not included

Detailed Product Description

This Dorman suspension control arm (part number 521-571) is engineered to meet the exact fitment requirements of the Lincoln LS. The aluminum construction combines casting and forging processes to provide a balance of strength and weight savings. The black coated finish helps resist corrosion from road elements, maintaining structural integrity over time. The control arm comes equipped with a single black rubber bushing, sized with a 14.3 mm inside diameter and 39.6 mm outside diameter, designed to absorb vibrations and reduce noise for a smoother ride. The ball joint mounting is welded with a threaded stud, allowing for secure attachment of the ball joint (sold separately). This control arm is not adjustable and does not include grease fittings or mounting hardware, so ensure compatibility with your vehicle’s existing components.

Common Applications and Problem Resolution

• Replacement for worn or damaged suspension control arms on Lincoln LS models
• Addresses issues such as uneven tire wear caused by faulty control arm bushings
• Helps correct suspension misalignment and improve vehicle handling
• Reduces clunking noises from loose or deteriorated control arm components
• Restores proper suspension geometry for safer driving conditions

Installation Notes and Tips

Installation of the Dorman 521-571 control arm requires basic suspension knowledge and tools. Since the ball joint is not included, transfer the existing ball joint or purchase a compatible replacement separately. Verify that the mounting hardware is in good condition or obtain new hardware as needed. Proper torque specifications should be followed to ensure secure installation. It is recommended to have a professional alignment performed after installation to maintain optimal suspension performance and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-571 control arm undergoes rigorous quality checks to ensure durability and reliability. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or contact the manufacturer for exact warranty terms.