PRT Performance Ride 818121 Suspension Strut and Coil Spring Assembly - Front Right

Overview of PRT Suspension Strut and Coil Spring Assembly

The PRT Performance Ride Suspension Strut and Coil Spring Assembly (part number 818121) is engineered for reliable suspension performance on INFINITI and Nissan vehicles, specifically the Pathfinder and QX4 models. Designed to restore your vehicle's ride quality and handling, this assembly integrates a durable strut and coil spring for consistent support.

• Compressed length: 15.12 inches
• Travel length: 7.36 inches
• Spring material: 55crsi steel
• Housing material: Q235b steel
• Lower mount type: Bracket hole
• Upper mount type: Bolt
• Dust shield included for protection
• Single spring coil design
• Mounting hardware not included
• Non-adjustable damping and rebound
• Regular grade type

Details on the PRT Suspension Strut and Coil Spring Assembly Line

The PRT Suspension Strut and Coil Spring Assembly product line focuses on providing integrated suspension components that combine struts and coil springs into a single unit. This design simplifies installation and ensures compatibility with specific vehicle models. The assemblies use quality materials such as 55crsi spring steel and Q235b housing steel to maintain structural integrity and consistent performance over time.

Technical Description and Features

This suspension strut and coil spring assembly features a compressed length of 15.12 inches and a relaxed length of 22.48 inches, allowing for a travel length of 7.36 inches. The spring is made from 55crsi steel, known for its strength and durability, while the housing is constructed from Q235b steel, providing a robust frame. The assembly includes a dust shield to protect internal components from debris and extend service life. The lower mount uses a bracket hole design, and the upper mount secures with a bolt, ensuring proper fitment on INFINITI Pathfinder and Nissan QX4 models. Note that mounting hardware is not included, and the assembly does not feature adjustable damping or rebound settings.

Common Applications and Problem Solving

• Restores suspension performance on INFINITI Pathfinder and Nissan QX4 vehicles
• Addresses worn or damaged struts causing poor ride quality
• Replaces broken or sagging coil springs affecting vehicle height and handling
• Eliminates noise and vibration from faulty suspension components
• Improves vehicle stability and control during driving

Installation Notes and Tips

Installation of the PRT Performance Ride Suspension Strut and Coil Spring Assembly (part number 818121) requires removal of the old strut and spring assembly. Since mounting hardware is not included, ensure you have the necessary bolts and brackets before beginning installation. The upper mount uses a bolt connection, and the lower mount fits into a bracket hole, so proper alignment is critical. It is recommended to have a professional alignment performed after installation to maintain optimal handling and tire wear.

Quality Assurance and Warranty

The PRT Suspension Strut and Coil Spring Assembly is manufactured with high-grade materials to meet OEM standards for durability and performance. While specific warranty details are not provided, PRT products typically undergo quality control inspections to ensure reliability. For warranty information, consult the product documentation or contact the manufacturer directly.