Dorman 521-311 Suspension Control Arm - Front Left Upper

Overview of Dorman Suspension Control Arm 521-311

The Dorman 521-311 suspension control arm is engineered for Nissan D21 and Pickup models, providing a reliable replacement component for your vehicle's suspension system. Constructed from durable steel with a coated black finish, this control arm is designed to maintain proper wheel alignment and suspension geometry.

• Material: Heavy-duty steel construction
• Finish: Protective black coating for corrosion resistance
• Length: 262.5 mm overall length for precise fitment
• Construction: Casting and forging for strength and durability
• Ball joint mounting type: Welded with threaded stud (ball joint not included)
• Bushing: No bushing included; designed for press-in type with 14.3 mm inside diameter
• Compatible with Nissan D21 and Pickup models

Detailed Product Description

This Dorman suspension control arm (part number 521-311) is manufactured using a combination of casting and forging processes to ensure structural integrity and long-lasting performance. The steel material is coated in black to resist rust and wear from road conditions. The control arm features a welded ball joint mounting point with a threaded stud, although the ball joint itself is not included. It is designed to accommodate a press-in bushing with a 14.3 mm inside diameter and 39.6 mm outside diameter, allowing for straightforward installation of compatible bushings. With an overall length of 262.5 mm, this control arm fits Nissan D21 and Pickup vehicles, maintaining proper suspension alignment and handling characteristics.

Common Applications and Problem Resolution

• Replacement for worn or damaged suspension control arms on Nissan D21 and Pickup
• Addresses issues such as uneven tire wear caused by misaligned suspension
• Helps correct steering instability or wandering
• Resolves clunking noises from loose or damaged control arm components
• Restores proper suspension geometry for improved vehicle handling

Installation Notes and Tips

Installation of the Dorman 521-311 control arm requires removal of the old control arm and installation of compatible bushings and ball joints, as these components are not included. Ensure the press-in bushing is properly seated and the ball joint is securely mounted to the welded stud. 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 specifications, providing dependable performance for Nissan D21 and Pickup vehicles. While this control arm does not include bushings or ball joints, it is built with durable steel and a corrosion-resistant finish to extend service life. Please refer to Dorman's warranty policy for specific coverage details.