Dorman 521-155 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 521-155 suspension control arm and ball joint assembly is designed for precise fitment on Volvo S60 Cross Country, V60 Cross Country, and XC70 models. This pre-greased, stamped steel control arm offers reliable suspension performance with included rubber bushings and a factory-installed ball joint.

• Pre-greased for immediate use
• Stamped steel control arm construction in black finish
• Includes rubber bushings for vibration dampening
• Factory-installed ball joint with pinch bolt stud type
• Compatible with Volvo S60 Cross Country, V60 Cross Country, and XC70
• Mounting hardware included for bolt-on attachment
• Light suspension grade type suitable for regular driving conditions
• Control arm dimensions: maximum width 288.5 mm, maximum length 237 mm
• Single mounting hole with 12.3 mm diameter

Detailed Product Description

The Dorman 521-155 suspension control arm and ball joint assembly is engineered to meet the suspension requirements of select Volvo Cross Country models. Constructed from durable stamped steel, this control arm provides structural integrity and resistance to wear. The black finish offers corrosion resistance, extending the component's service life. Rubber bushings are included to reduce noise and absorb road vibrations, enhancing ride comfort. The ball joint is pre-installed and pre-greased, eliminating the need for additional lubrication during installation. Featuring a pinch bolt stud type, the ball joint ensures secure and stable connection to the steering knuckle. This assembly is designed for bolt-on installation with one mounting hole, simplifying replacement procedures.

Common Applications and Problem Resolution

• Restores proper suspension geometry and alignment on Volvo S60 Cross Country, V60 Cross Country, and XC70
• Replaces worn or damaged control arms causing uneven tire wear
• Eliminates clunking or knocking noises from faulty ball joints
• Improves handling and steering response compromised by deteriorated bushings
• Addresses suspension issues related to vibration and instability

Installation Notes and Tips

Installation of the Dorman 521-155 control arm assembly requires basic suspension tools and mechanical knowledge. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary. Ensure the mounting hole aligns correctly with the vehicle’s frame and torque all bolts to manufacturer specifications. It is recommended to perform a wheel alignment after installation to maintain proper suspension geometry and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-155 control arm assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details are not provided here, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.