Rancho RS999040 Shock Absorber - Rear

Overview of Rancho RS9000XL Suspension Shock Absorber

The Rancho RS9000XL Suspension Shock Absorber (Part Number RS999040) is engineered for Toyota Tundra models requiring precise suspension control. Designed to enhance ride quality and handling, this shock absorber features a durable construction with specific mounting configurations tailored for the Tundra.

• Compatible with Toyota Tundra
• Compressed length: 14.28 inches
• Extended length: 22.34 inches
• Travel length: 8.06 inches
• Includes dust shield for added protection
• Lower mount: Loop bushing & sleeve mount (12mm sleeve ID x 1.25" sleeve OAL)
• Upper mount: Stem mount (2.375" stem length x 3/8"-16 thread pitch)
• Reserve tube diameter: 2.188 inches
• Parts pack included (P01192)

Details on the RS9000XL Product Line

The RS9000XL line from Rancho offers adjustable shock absorbers designed to provide customizable damping performance. This product line is known for its multi-position adjustment capability, allowing drivers to fine-tune their suspension settings for varying road conditions and load requirements. The RS999040 shock absorber is part of this line, delivering reliable performance specifically for Toyota Tundra applications.

Technical Description and Features

The RS999040 shock absorber features a compressed length of 14.28 inches and an extended length of 22.34 inches, providing a travel length of 8.06 inches. It includes a dust shield to protect internal components from debris and extend service life. The lower mounting uses a loop bushing and sleeve mount with a 12mm inner diameter and 1.25-inch overall length sleeve, while the upper mounting is a stem mount with a 2.375-inch stem length and 3/8"-16 thread pitch. This configuration ensures proper fitment and secure installation on Toyota Tundra models.

Common Applications and Problem Solving

• Improves ride comfort and handling on Toyota Tundra trucks
• Reduces suspension bottoming and harsh impacts
• Addresses worn or leaking factory shock absorbers
• Enhances vehicle stability under load or towing conditions
• Restores proper suspension travel and damping control

Installation Notes and Tips

• Verify compatibility with your Toyota Tundra model year before installation
• Use appropriate tools for loop bushing and stem mount hardware
• Inspect mounting points for wear or damage prior to installation
• Follow torque specifications for upper and lower mounts
• Check for proper shock absorber travel after installation

Quality Assurance and Warranty

Rancho RS9000XL shock absorbers are manufactured to meet OEM standards for durability and performance. The RS999040 part includes a dust shield to protect internal components and comes with a parts pack (P01192) for installation. Warranty details should be confirmed with the manufacturer or authorized distributor to ensure coverage terms.