Unity 15021 Suspension Strut and Coil Spring Assembly - Rear Left

Overview of Unity Suspension Strut and Coil Spring Assembly

The Unity Pre-assembled Complete Strut Assembly including Coil Spring, Top Mount and All Components - Ready to Install - Plug and Play Installation (Part Number 15021) is designed for direct replacement on select Buick and Pontiac models. This economy-grade suspension strut and coil spring assembly is fully assembled and ready to install, simplifying the repair process for vehicles such as the Buick Century and Pontiac Grand Prix from 1997 to 2005.

• Pre-assembled complete strut assembly with coil spring and top mount
• Compatible with Buick Century, Pontiac Grand Prix, and Pontiac Regal models (1997-2005)
• Compressed length: 15.53 inches; extended length: 23.09 inches
• Travel length of 7.56 inches and body length of 15.42 inches
• Economy product grade suitable for standard suspension replacement needs
• Plug and play installation reduces labor time and complexity

Product Line Details

The Unity Pre-assembled Complete Strut Assembly including Coil Spring, Top Mount and All Components - Ready to Install - Plug and Play Installation line offers a fully assembled suspension solution. This product line is designed to provide a straightforward replacement option by including all necessary components in one unit. This eliminates the need for separate coil spring compression and assembly, making it a practical choice for technicians working on compatible Buick and Pontiac vehicles.

Detailed Product Description

Part number 15021 features a suspension strut and coil spring assembly engineered to match the original equipment specifications for Buick Century, Pontiac Grand Prix, and Pontiac Regal models produced between 1997 and 2005. The assembly has a compressed length of 15.53 inches and an extended length of 23.09 inches, with a travel length of 7.56 inches and a body length of 15.42 inches. These dimensions ensure proper fitment and suspension performance. The economy grade classification indicates this assembly is designed for reliable, cost-effective suspension repair without additional performance enhancements.

Common Applications and Problem Resolution

• Replacement of worn or damaged suspension struts and coil springs
• Restoring proper ride height and vehicle handling characteristics
• Eliminating noise and vibration caused by faulty strut assemblies
• Addressing uneven tire wear due to suspension component failure
• Improving vehicle stability and safety on Buick Century and Pontiac models

Installation Notes and Tips

This pre-assembled strut assembly is designed for plug and play installation, reducing the need for specialized tools such as spring compressors. Ensure vehicle compatibility by verifying model and year before installation. It is recommended to replace struts in pairs (both front or both rear) to maintain balanced suspension performance. Follow manufacturer torque specifications for mounting hardware and perform a wheel alignment after installation to ensure proper handling.

Quality Assurance and Warranty

Unity suspension components, including part number 15021, are manufactured to meet industry standards for fit and function. This economy-grade assembly provides a reliable replacement option for vehicles within the specified year range. Warranty details should be confirmed with the supplier or manufacturer, as coverage may vary based on application and usage.