ACDelco 84312878 GM Genuine Parts Rear Coil Spring

The ACDelco 84312878 is a GM Genuine Parts rear coil spring designed for precise fit and performance in select Buick Regal models. This factory-original suspension component is manufactured from special steel wire formed into a cylindrical spiral shape, engineered to meet the rigorous standards set by General Motors.

Key Features:

• GM Genuine Parts OE replacement rear coil spring
• Manufactured from high-quality special steel wire
• Maintains proper chassis height and wheel alignment
• Helps prevent tire scraping and excessive vehicle sagging
• Sold individually for single-side replacement
• Backed by GM's factory warranty

This genuine OE coil spring supports proper suspension function by maintaining correct ride height and ensuring optimal wheel positioning. Designed as a direct replacement part, it restores factory suspension performance and helps maintain ride quality and handling characteristics. Sold as an individual spring for convenient single-side replacement when needed.