PRT Performance Ride 813331 Suspension Strut and Coil Spring Assembly - Front

Overview of PRT Suspension Strut and Coil Spring Assembly

The PRT Performance Ride Suspension Strut and Coil Spring Assembly (part number 813331) is engineered for reliable suspension performance on select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models. Designed to restore factory ride height and handling characteristics, this assembly is a direct replacement for worn or damaged struts and springs.

• Compressed length: 11.50 inches
• Travel length: 4.57 inches
• Spring material: Tdcrsi
• Housing material: Q235b steel
• Lower mount type: Inset
• Upper mount type: Bolt
• Dust shield included for protection
• Mounting hardware not included
• Regular grade type, non-adjustable damping and rebound
• Single spring coil with relaxed length of 16.06 inches

About the PRT Suspension Strut and Coil Spring Assembly Line

The PRT Suspension Strut and Coil Spring Assembly product line focuses on providing complete suspension components that combine struts and coil springs into one unit. This design simplifies installation and ensures compatibility with the original suspension geometry. The assemblies use durable materials such as Q235b steel for the housing and Tdcrsi for the spring, offering consistent performance for regular grade applications without adjustable damping or rebound features.

Detailed Product Description

This suspension strut and coil spring assembly is built to meet the specifications required for vehicles including the Buick Rainier, Chevrolet Trailblazer and Trailblazer EXT, GMC Envoy series, Isuzu Ascender, Oldsmobile Bravada, and Saab 9-7x. The assembly features a compressed length of 11.50 inches and a travel length of 4.57 inches, ensuring proper suspension travel and ride height. The spring is made from Tdcrsi material, known for its strength and durability, while the housing is constructed from Q235b steel for structural integrity. The assembly includes a dust shield to protect internal components from debris, though mounting hardware is not included. Both the upper and lower mounts are designed for bolt and inset configurations respectively, matching factory mounting points for straightforward replacement.

Common Applications and Issues Addressed

• Restores suspension performance on Buick Rainier and Chevrolet Trailblazer models
• Replaces worn or damaged struts and coil springs on GMC Envoy and Isuzu Ascender
• Corrects sagging suspension and uneven ride height
• Eliminates excessive noise or vibration from faulty strut assemblies
• Improves vehicle handling and stability compromised by aging suspension parts

Installation Notes and Tips

• Verify vehicle compatibility with Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models listed
• Ensure proper torque specifications for upper bolt mount and lower inset mount
• Use appropriate tools to compress the spring safely during installation
• Check alignment after installation to maintain handling performance
• Mounting hardware is not included; reuse original hardware or purchase separately

Quality Assurance and Warranty

The PRT Performance Ride Suspension Strut and Coil Spring Assembly (part number 813331) is manufactured with quality materials and tested to meet OEM standards. While specific warranty details are not provided, PRT products typically adhere to industry quality controls to ensure durability and fitment accuracy for the compatible Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles.