PRT Performance Ride 811029 Suspension Strut and Coil Spring Assembly - Rear

Reliable Suspension Upgrade for Buick, Cadillac, Oldsmobile, and Pontiac

The PRT Performance Ride 811029 suspension strut and coil spring assembly offers a direct replacement solution designed for select Buick, Cadillac, Oldsmobile, and Pontiac models. Engineered to restore factory suspension performance, this assembly ensures consistent ride height and handling characteristics.

• Compressed length: 15.83 inches
• Travel length: 7.56 inches
• Relaxed length: 23.39 inches
• Housing material: durable Q235b steel
• Lower mount type: bracket hole
• Upper mount type: bolt
• Grade type: regular suspension component
• No adjustable damping or rebound features
• Mounting hardware and dust shield not included

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 the strut and coil spring into a single unit. This design simplifies replacement and helps maintain proper suspension geometry. The assemblies are built with quality materials such as Q235b steel housing to ensure durability and consistent performance over time. The 811029 part number is part of this line, tailored for specific GM vehicle models.

Product Details and Specifications

This suspension strut and coil spring assembly features a compressed length of 15.83 inches and a travel length of 7.56 inches, allowing for proper suspension articulation and ride comfort. The relaxed length measures 23.39 inches, ensuring the spring maintains correct preload when installed. The housing is constructed from Q235b steel, a material known for its strength and resistance to deformation under load. The lower mount uses a bracket hole design, while the upper mount secures with a bolt, matching factory mounting points for straightforward installation. This assembly does not include adjustable damping or rebound, making it a standard replacement part suitable for regular driving conditions.

Compatible Vehicles and Common Applications

• Buick 88 and LeSabre models
• Cadillac DeVille, Fleetwood, and LSS
• Oldsmobile 98 and Regency
• Pontiac Bonneville and Commercial Chassis
• Delta 88 and Park Avenue

Suspension Issues Addressed by This Assembly

• Worn or sagging coil springs causing lowered ride height
• Damaged or leaking struts resulting in poor handling
• Excessive body roll or instability during cornering
• Uneven tire wear due to suspension misalignment
• Noise or vibration from faulty suspension components

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before removing the old strut assembly. Since mounting hardware is not included, retain or replace bolts and nuts as needed. Verify the upper and lower mount types—bolt and bracket hole respectively—to confirm compatibility. It is recommended to inspect related suspension components such as control arms and bushings during installation. Professional installation is advised to maintain proper suspension geometry and safety.

Quality Assurance and Warranty

The PRT Performance Ride 811029 suspension strut and coil spring assembly is manufactured with quality materials and tested to meet OEM specifications. While no specific warranty information is provided, PRT products typically adhere to industry standards for durability and performance. For detailed warranty terms, consult the product documentation or manufacturer.