Dorman 521-937 Suspension Control Arm - Rear Left Lower

Durable Suspension Control Arm for Ford, Jaguar, and Lincoln Vehicles

The Dorman 521-937 suspension control arm is engineered to provide reliable performance for select Ford, Jaguar, and Lincoln models. Designed with precision, this aluminum control arm offers a balance of strength and lightweight construction to maintain proper suspension geometry and vehicle handling.

• Constructed from durable aluminum with a coated black finish for corrosion resistance
• Includes a rubber bushing with a black color and precise dimensions (14.3 mm inside diameter, 39.6 mm outside diameter, 92 mm length)
• Overall length of 262.5 mm ensures proper fitment and alignment
• Features a welded ball joint mounting type with a threaded stud (ball joint not included)
• Casting and forged construction enhances structural integrity
• Compatible with Ford Thunderbird, Lincoln LS, Jaguar S-Type, XK, and XKR models

Product Details and Specifications

The Dorman 521-937 suspension control arm is designed with a combination of casting and forging techniques to deliver strength and durability. Its aluminum material reduces unsprung weight, contributing to improved suspension response. The control arm comes coated in black to resist corrosion and wear over time. It includes a rubber bushing that helps absorb vibrations and reduce noise, enhancing ride comfort. The bushing is press-in type and is the sole bushing included, with no grease fitting or ball joint installed. The ball joint mounting is welded with a threaded stud, allowing for secure attachment of compatible ball joints. This control arm is not adjustable and does not include mounting hardware or brackets, so ensure compatibility with your vehicle's existing components.

Compatible Vehicles and Applications

This suspension control arm is compatible with specific models from Ford, Jaguar, and Lincoln, including:

• Ford Thunderbird
• Lincoln LS
• Jaguar S-Type
• Jaguar XK and XKR

When searching for a replacement suspension control arm for these vehicles, referencing the Dorman part number 521-937 will help ensure proper fitment and performance.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing poor handling or uneven tire wear
• Corroded or bent control arms affecting suspension alignment
• Excessive vibration or noise from suspension components
• Loose or damaged ball joint mounting points (ball joint not included)
• Reduced steering stability and control

Installation Notes and Tips

• Verify vehicle compatibility with Ford Thunderbird, Lincoln LS, Jaguar S-Type, XK, or XKR before installation
• Inspect existing ball joints and mounting hardware; replacement may be necessary as ball joint is not included
• Use proper tools to press in the rubber bushing and secure the control arm
• Ensure torque specifications are followed for mounting bolts to maintain suspension integrity
• Alignment check is recommended after installation to ensure proper handling

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-937 control arm undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or contact the manufacturer for exact warranty terms.