Rancho RS999289 Shock Absorber - Front

Overview of Rancho RS9000XL Suspension Shock Absorber

The Rancho RS9000XL Suspension Shock Absorber (Part Number RS999289) is engineered for heavy-duty use on Chevrolet, GMC, and Hummer vehicles. Designed specifically for models like the Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD, this shock absorber enhances ride control and suspension performance.

• Compressed Length: 14.07 inches
• Extended Length: 21.41 inches
• Travel Length: 5.06 inches
• Includes Compressed and Extended Bumper Stops
• Dust Shield Included for Protection
• Lower Mounting: Loop bushing & sleeve mount (14mm sleeve ID x 1.5/16" sleeve OAL)
• Upper Mounting Code: S51
• Reserve Tube Diameter: 2.18 inches
• Parts Pack Included (P01356)

About the RS9000XL Product Line

The RS9000XL line from Rancho offers adjustable shock absorbers designed to provide customizable damping for a variety of driving conditions. This product line focuses on delivering precise control and improved handling for trucks and SUVs, making it suitable for the Chevrolet Silverado 2500 HD Classic and GMC Sierra 2500 HD Classic models. The RS999289 shock absorber is part of this line, providing adjustable performance tailored to your vehicle's suspension needs.

Detailed Product Description

The Rancho RS999289 shock absorber features a compressed length of 14.07 inches and an extended length of 21.41 inches, allowing for a travel length of 5.06 inches. It includes both compressed and extended bumper stops to protect the suspension during full compression and extension. The dust shield helps prevent debris from damaging the shock, extending its service life. The lower mounting uses a loop bushing and sleeve mount with a 14mm sleeve inner diameter and 1.5/16 inch outer sleeve length, ensuring a secure fit. The upper mounting code S51 corresponds to the specific mounting hardware required for proper installation on compatible vehicles.

Applications and Problem Solving

• Improves ride stability and control on Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD trucks
• Reduces suspension bottoming and harsh impacts with extended bumper stops
• Protects shock components from dust and debris with included dust shield
• Enhances towing and hauling performance by maintaining suspension integrity
• Addresses worn or damaged factory shocks causing poor handling or excessive bounce

Installation Notes and Tips

• Verify compatibility with Chevrolet Silverado 2500 HD Classic, GMC Sierra 2500 HD Classic, and Hummer H2 models before installation
• Use the included parts pack (P01356) for mounting hardware replacement
• Ensure proper alignment of loop bushing and sleeve mount during installation
• Check for any suspension component wear that may affect shock performance
• Follow vehicle manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

Rancho RS9000XL shocks are manufactured to meet OEM standards for durability and performance. The RS999289 shock absorber undergoes rigorous testing to ensure consistent damping and long service life. Warranty coverage details should be confirmed with the manufacturer or authorized distributor to ensure proper protection.