Dorman 521-978 Suspension Control Arm - Rear Right Lower Rearward

Durable Suspension Control Arm for Acura and Honda Vehicles

The Dorman 521-978 suspension control arm is engineered to provide reliable performance for Acura and Honda models, including the Accord and CL. Constructed from stamped steel with a coated black finish, this control arm offers strength and corrosion resistance for long-lasting use.

Key Features of the Dorman 521-978 Control Arm

• Made from durable stamped steel for structural integrity
• Black coated finish to resist corrosion and wear
• Includes a rubber bushing with a black color for vibration dampening
• Overall length of 262.5 mm for precise fitment
• Welded ball joint mounting type with threaded stud (ball joint not included)
• Press-in end type with bushing linkage end for secure installation
• One rubber bushing included with 14.3 mm inside diameter and 39.6 mm outside diameter

Detailed Description of the Dorman Suspension Control Arm

This suspension control arm is designed specifically for Acura and Honda vehicles such as the Accord and CL, ensuring compatibility and proper fit. The stamped steel construction provides a balance of strength and flexibility, while the black coated finish helps protect against rust and environmental damage. The included rubber bushing reduces noise and vibration, contributing to a smoother ride. The control arm features a welded ball joint mounting type with a threaded stud, although the ball joint itself is not included. With an overall length of 262.5 mm, this control arm matches OEM specifications for reliable suspension performance.

Common Applications and Issues Addressed

• Replacement for worn or damaged suspension control arms on Acura Accord and Honda CL
• Eliminates excessive suspension noise caused by deteriorated bushings
• Restores proper wheel alignment and handling stability
• Addresses vibration and harshness from faulty control arm components
• Improves overall suspension system durability and safety

Installation Notes and Tips

When installing the Dorman 521-978 control arm, ensure the vehicle is properly supported and the suspension is unloaded. This control arm includes the rubber bushing but does not come with a ball joint or mounting hardware, so these components must be sourced separately if needed. Verify the correct orientation and torque specifications according to the vehicle manufacturer’s guidelines to maintain suspension geometry and performance.

Quality Assurance and Warranty Information

Dorman suspension components are manufactured to meet or exceed OEM standards for fit and function. The 521-978 control arm undergoes rigorous quality checks to ensure durability and reliability. Please refer to Dorman’s warranty policy for specific coverage details.