Dorman 524-543 Suspension Control Arm - Front Left Lower or Front Right Lower

Durable Suspension Control Arm for Porsche 911, Boxster, and Cayman

The Dorman 524-543 suspension control arm is engineered to provide reliable performance and precise handling for Porsche 911, Boxster, and Cayman models. Crafted from aluminum with a coated black finish, this control arm offers a balance of strength and corrosion resistance for long-lasting use.

• Constructed from lightweight aluminum with casting and forging for enhanced durability
• Includes a black rubber bushing with a 14.3 mm inside diameter and 39.6 mm outside diameter for effective vibration dampening
• Overall length of 262.5 mm designed to match OEM specifications
• Ball joint mounting type is welded with a threaded stud (ball joint not included)
• Coated finish provides corrosion resistance and extended service life
• Press-in end type with bushing linkage end for secure fitment

Technical Details and Construction

This suspension control arm features a casting and forged aluminum construction, ensuring a strong yet lightweight component that maintains vehicle handling characteristics. The black coated finish protects against rust and environmental wear. The included rubber bushing is designed to absorb road vibrations and reduce noise, improving ride comfort. The welded ball joint mounting type with a threaded stud allows for secure attachment of the ball joint (sold separately). Measuring 262.5 mm in length, this control arm fits precisely within the suspension system of compatible Porsche models.

Compatible Porsche Models and Applications

This Dorman suspension control arm 524-543 is compatible with the following Porsche vehicles:

• Porsche 911
• Porsche Boxster
• Porsche Cayman

It is designed to replace worn or damaged control arms, restoring proper suspension geometry and vehicle stability.

Common Suspension Issues Addressed

• Excessive suspension noise or clunking
• Uneven tire wear due to misalignment
• Reduced steering responsiveness or handling precision
• Vibration or harshness from worn bushings
• Loose or unstable front suspension components

Installation Notes and Tips

Installation requires removal of the old control arm and proper alignment of the new part. Note that this control arm does not include a ball joint or mounting hardware, so these components must be sourced separately if needed. Ensure all fasteners are torqued to manufacturer specifications. It is recommended to have a professional alignment performed after installation to maintain optimal handling and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 524-543 control arm undergoes rigorous quality checks to ensure durability and performance. While specific warranty details are not provided, Dorman typically offers limited warranties on their suspension parts to cover defects in materials and workmanship.