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Rancho RS999305 Shock Absorber - Rear
Rancho RS9000XL Suspension Shock Absorber Overview
The Rancho RS9000XL Suspension Shock Absorber RS999305 is engineered for Toyota 4Runner and FJ Cruiser models, providing reliable damping performance tailored to these vehicles. Designed with precise dimensions and mounting specifications, this shock absorber enhances suspension control and ride quality.
- Compatible with Toyota 4Runner and FJ Cruiser
- Compressed length: 14.57 inches
- Extended length: 22.48 inches
- Travel length: 7.91 inches
- Includes dust shield for added protection
- Lower mounting: Loop bushing & sleeve mount (3/4" sleeve ID x 1.7/8" sleeve OAL)
- Upper mounting code: S51
- Reserve tube diameter: 2.18 inches
- Parts pack included (P01356)
RS9000XL Product Line Details
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 consistent performance with features such as a dust shield for durability and precise mounting configurations. The RS999305 shock absorber fits within this line, offering specific fitment and travel lengths optimized for Toyota 4Runner and FJ Cruiser models.
Technical Description and Features
The RS999305 shock absorber features a compressed length of 14.57 inches and an extended length of 22.48 inches, allowing for a travel length of 7.91 inches. It includes a dust shield to protect internal components from debris and extend service life. The lower mounting utilizes a loop bushing and sleeve mount with a 3/4 inch sleeve inner diameter and 1.7/8 inch outer length, while the upper mounting is identified by code S51. The reserve tube diameter measures 2.18 inches, contributing to the shock's durability and heat dissipation capabilities.
Applications and Problem Solving
- Improves suspension response and vehicle stability on Toyota 4Runner and FJ Cruiser
- Reduces excessive body roll and sway during cornering
- Mitigates harsh impacts from rough terrain or potholes
- Addresses worn or leaking factory shock absorbers
- Enhances ride comfort and control for off-road and on-road driving
Installation Notes and Tips
Installation of the Rancho RS999305 shock absorber requires matching the specified mounting points: loop bushing and sleeve mount on the lower end and S51 code on the upper end. Ensure the dust shield is properly positioned to protect the shock shaft. Verify compressed and extended lengths to confirm fitment before installation. Professional installation is recommended to maintain suspension geometry and safety.
Quality Assurance and Warranty
Rancho RS9000XL shocks are manufactured to meet OEM standards for durability and performance. The RS999305 shock absorber includes a parts pack (P01356) for installation support. While specific warranty details are not provided here, Rancho products typically come with a limited warranty covering defects in materials and workmanship. Consult Rancho or authorized distributors for exact warranty terms.
| Brand | Rancho |
|---|---|
| Part Number | RS999305 |
| Position | RS9000XL, Rear |
| LS68 | |
| Compressed Bumper Stop | No |
| Compressed Length | 14.57 |
| Dust Shield Included | Yes |
| Extended Bumper Stop | No |
| Extended Hydraulic Lockout | No |
| Extended Length | 22.48 |
| Lower Mounting Description | Loop Bushing & Sleeve Mount - 3/4" Sleeve ID X 1.7/8" Sleeve OAL |
| Parts Pack | P01356 |
| Reserve Tube Diameter | 2.18 |
| Travel Length | 7.91 |
| Upper Mounting Code | S51 |
This part fits 30 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2024 | Toyota | 4Runner | SR5 | Rear | RS9000XL |
| 2023 | Toyota | 4Runner | 40th Anniversary Edition | Rear | RS9000XL |
| 2022 | Toyota | 4Runner | SR5 | Rear | RS9000XL |
| 2021 | Toyota | 4Runner | Base | Rear | RS9000XL |
| 2020 | Toyota | 4Runner | Rear | without Delphi REAS or Kinetic Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2019 | Toyota | 4Runner | Rear | without Delphi REAS or Kinetic Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2018 | Toyota | 4Runner | Rear | without Delphi REAS or Kinetic Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2017 | Toyota | 4Runner | Rear | without Delphi REAS or Kinetic Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2016 | Toyota | 4Runner | Rear | without Delphi REAS or Kinetic Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2015 | Toyota | 4Runner | Rear | without Delphi REAS or Kinetic Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2014 | Toyota | 4Runner | Rear | without Delphi REAS or Kinetic Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2014 | Toyota | FJ Cruiser | Rear | with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2013 | Toyota | 4Runner | Rear | without Delphi REAS or Kinetic Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2013 | Toyota | FJ Cruiser | Rear | with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2012 | Toyota | 4Runner | Rear | without Delphi REAS or Kinetic Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2012 | Toyota | FJ Cruiser | Rear | with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2011 | Toyota | 4Runner | Rear | without Delphi REAS or Kinetic Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2011 | Toyota | FJ Cruiser | Rear | with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2010 | Toyota | 4Runner | Rear | without Delphi REAS or Kinetic Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2010 | Toyota | FJ Cruiser | Rear | with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2009 | Toyota | 4Runner | Rear | without Delphi REAS Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2009 | Toyota | FJ Cruiser | Rear | with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2008 | Toyota | 4Runner | Rear | without Delphi REAS Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2008 | Toyota | FJ Cruiser | Rear | with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2007 | Toyota | 4Runner | Rear | without Delphi REAS Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2007 | Toyota | FJ Cruiser | Rear | with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2006 | Toyota | 4Runner | Rear | without Delphi REAS Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2005 | Toyota | 4Runner | Rear | without Delphi REAS Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2004 | Toyota | 4Runner | Rear | without Delphi REAS Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL | |
| 2003 | Toyota | 4Runner | Rear | without Delphi REAS Suspension; with Rear Raised Height 0 (in) to 1.5 (in); RS9000XL |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.