Dorman 521-171 Suspension Control Arm Shaft Kit - Front Left Upper

Overview of Dorman Suspension Control Arm Shaft Kit 521-171

The Dorman Suspension Control Arm Shaft Kit 521-171 is designed for reliable suspension performance on select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. This control arm shaft kit provides a durable steel shaft with mounting hardware included, engineered to maintain proper suspension alignment and handling.

• Steel shaft construction with a length of 400 mm for strength and durability
• Includes mounting hardware for straightforward installation
• Black rubber and steel bushings (bushings not included in the kit)
• Standard shaft type designed for regular grade suspension applications
• Pre-greased shaft not required and no grease fittings included

Detailed Product Description

The Dorman 521-171 Suspension Control Arm Shaft Kit features a 400 mm steel shaft built to withstand the stresses of suspension movement in vehicles such as the Buick LeSabre, Cadillac DeVille, Chevrolet Impala, Oldsmobile Delta 88, and Pontiac Bonneville. The shaft is designed as a standard type with a regular grade rating, suitable for maintaining suspension geometry and control arm positioning. Although the kit does not include bushings or grease fittings, it is compatible with rubber and steel bushings commonly used in these applications. The included mounting hardware ensures a secure fit during replacement or repair.

Compatible Vehicles and Applications

This control arm shaft kit is compatible with a range of GM vehicles, including:

• Buick LeSabre and Roadmaster
• Cadillac DeVille, Fleetwood, and Brougham
• Chevrolet Caprice and Impala
• Oldsmobile Delta 88 and Custom Cruiser
• Pontiac Bonneville and Catalina

Common Suspension Issues Addressed

• Worn or damaged control arm shafts causing suspension misalignment
• Excessive play or noise in the suspension control arm area
• Corrosion or fatigue of original control arm shaft components
• Difficulty maintaining proper wheel alignment and handling
• Replacement during suspension rebuilds or upgrades

Installation Notes and Tips

Installation of the Dorman 521-171 Suspension Control Arm Shaft Kit requires basic suspension knowledge and tools. Since bushings are not included, inspect existing bushings for wear and replace if necessary. The shaft does not require greasing or grease fittings, simplifying maintenance. Use the included mounting hardware to secure the shaft firmly, and verify suspension alignment after installation to ensure proper vehicle handling.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM specifications for fit and function. The 521-171 kit is constructed from durable steel materials to provide long service life under normal operating conditions. While no specific warranty details are provided, Dorman products typically come with a limited warranty against defects in material and workmanship.