The Rancho RS999305 RS9000XL Rear Shock is a high-performance, adjustable rear shock absorber designed to enhance ride quality, stability, and handling for 2003–2019 Toyota 4Runner models. Featuring a gas-charged tri-tube design, this shock provides consistent damping performance while reducing heat-related fade. The manual 9-position damping adjustment allows you to fine-tune ride firmness for daily driving, towing, hauling, or off-road use. Built with a durable chromed piston rod and protective boot, the RS999305 delivers long-lasting performance under rugged conditions. Ideal for stock or mildly lifted 4Runners, this rear shock enhances vehicle stability, smooths out rebounds, and improves overall ride comfort.
Features
Nine-position manual damping for adjustable ride control
Gas-charged tri-tube design for consistent performance
Protects against heat-related shock fade
Durable chromed piston rod resists corrosion and wear
Protective boot shields rod and seal from debris
Enhances rear suspension handling and stability
Improves ride comfort on- and off-road
Suitable for towing and hauling applications
Compatible with stock and mild lift setups
Progressive valving for smooth rebound control
Heavy-duty construction for rugged use
Corrosion-resistant finish
Easy bolt-on installation
Improves rear-end balance and stance
Designed for long-term durability
Item Specs
Brand: Rancho
Manufacturer Part Number: RS999305
Product Type: Rear Shock Absorber
Series: RS9000XL
Quantity: 1 shock (sold individually)
Gas Charged: Yes
Damping: Manual 9-position adjustment
Shock Body Type: Tri-tube
Compressed Length: 14.530 in
Extended Length: 22.490 in
Travel Length: 7.960 in
Lower Mounting Code: LS68
Upper Mounting Code: S51
Parts Pack: P01356
Protective Boot: Included
Mount Type: Stem / Eyelet & sleeve
Installation: Bolt-on
Body Material: Steel
Piston Rod Material: Chromed steel
Corrosion Resistance: High
Intended Use: On-road, off-road, towing, hauling
Compatible Vehicles: Stock or mild lift 4Runner
Vehicle Fitment
2003–2019 – Toyota – 4Runner – 2WD / All trims
2003–2019 – Toyota – 4Runner – 4WD / All trims
Included in Package
(1) Rancho RS9000XL Rear Shock RS999305
Protective boot installed
Upper and lower mounting hardware
Rancho Limited Lifetime Warranty
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