Dorman 521-118 Suspension Control Arm - Front Upper

Overview of Dorman Suspension Control Arm for Jeep Wrangler JK

The Dorman 521-118 suspension control arm is engineered for Jeep Wrangler and Wrangler JK models, providing reliable performance and durability. Constructed from steel with a coated black finish, this control arm is designed to maintain proper suspension geometry and vehicle handling.

• Durable steel construction with casting and forging for strength
• Black coated finish for corrosion resistance
• Includes rubber bushing with black color and precise dimensions
• Welded ball joint mounting type with threaded stud (ball joint not included)
• Compatible with Jeep Wrangler and Wrangler JK suspension systems

Detailed Product Features and Specifications

The Dorman 521-118 control arm measures 262.5 mm in overall length and features a single rubber bushing with a 14.3 mm inside diameter and 39.6 mm outside diameter, ensuring proper fit and vibration dampening. The bushing length is 92 mm, and the linkage end type is bushing with a press-in end 2 type. The control arm does not include a grease fitting or ball joint, and mounting hardware is not provided. Its welded ball joint mounting type with a threaded stud allows for secure attachment when paired with compatible ball joints. This part is designed as a regular grade, non-adjustable control arm, suitable for maintaining factory suspension alignment and performance.

Compatible Vehicles and Applications

This suspension control arm is specifically compatible with Jeep Wrangler and Wrangler JK models. It is intended for use in suspension systems requiring a steel control arm with rubber bushings to absorb road shocks and maintain wheel alignment. The Dorman 521-118 is ideal for replacing worn or damaged control arms to restore proper suspension function.

• Corrects suspension misalignment and uneven tire wear
• Reduces suspension noise and vibration caused by worn bushings
• Restores steering stability and handling performance
• Addresses control arm damage from off-road or rough terrain use
• Prevents premature suspension component wear

Installation Notes and Tips

Installation of the Dorman 521-118 control arm requires removal of the old control arm and proper alignment of the new part. Since the ball joint is not included, ensure compatibility with your existing ball joint or purchase separately. Use appropriate tools to press in the bushing and secure the control arm to the vehicle’s suspension mounts. It is recommended to have a professional alignment performed after installation to maintain optimal handling and tire wear.

Quality Assurance and Warranty Information

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-118 control arm undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official documentation for exact warranty terms.