Dorman 527-129 Suspension Control Arm - Front Lower

Dorman 527-129 Front Lower Control Arm

Dorman 527-129 is a front lower suspension control arm engineered as a standard replacement for specific vehicles. It is built for the 2016-2019 Buick Cascada front lower position and is designed to restore proper suspension geometry with a direct-fit replacement design.

With an aluminum control arm body, forged/cast construction, and a powder-coated silver finish, this part is built for dependable service in the front suspension. Rubber bushings are included, while the ball joint is not installed and the arm uses a press-in ball joint mounting type.

• Fits 2016-2019 Buick Cascada, front lower
• Direct replacement control arm for OE-style suspension service
• Aluminum construction with forged/cast design
• Powder-coated silver finish for added surface protection
• Rubber bushings included
• Press-in ball joint mounting type
• Standard replacement grade for specific applications
• Dorman part number 527-129

Detailed Product Information

This suspension control arm is precision-engineered and tested to replace the original equipment part on the listed Buick Cascada applications. The bent arm shape, specified mounting dimensions, and press-in end design support proper alignment and suspension movement in the front lower position. Dorman 527-129 also cross-references Delphi TC3807 and TC3808 for the same application.

For Buick Cascada owners searching for a front lower control arm replacement, Dorman 527-129 provides the key OE-style features needed for suspension repair. It is not adjustable, does not include a grease fitting, and does not include mounting hardware.

Common Problems This Part Can Address

• Worn or cracked control arm bushings
• Excessive front suspension looseness or play
• Uneven tire wear caused by suspension wear
• Noises from the front lower suspension area
• Restoring proper front-end alignment after component wear

Installation Notes and Tips

Install this part in the front lower suspension position on 2016-2019 Buick Cascada models only. Because the ball joint is not installed, verify the correct press-in ball joint setup before installation. Professional alignment is recommended after suspension component replacement to confirm steering and tire wear are within specification.

Quality Assurance

Dorman designs this control arm as a replacement for the original equipment part and subjects it to engineering and testing checks for fit and function on the listed applications. Part number 527-129 is built to meet standard replacement expectations for the Buick Cascada front lower suspension service.