







⚡ Elevate your 4Runner’s suspension game with precision and power!
The Rancho RS9000XL RS999305 is a rear adjustable shock absorber designed specifically for Toyota 4Runner models from 2003 to 2023. Featuring a pioneering nine-position damping control knob, it offers customizable ride firmness for both on- and off-road conditions. Built with a durable 18mm nitro-carburized piston rod and double-welded stress loops, it withstands tough terrains and heavy-duty use. Its tri-tube body filled with all-weather fluid ensures consistent performance across extreme temperatures (-40 to 248°F), while nitrogen gas pressurization reduces fade for reliable damping. Polyurethane bumpers and graphite-enhanced pistons provide a smooth, responsive ride, making it an ideal upgrade for stock or lifted trucks and SUVs.











| Brand | Rancho | 
| Auto Part Position | Rear | 
| Style | Adjustable | 
| Vehicle Service Type | Truck, SUV | 
| Exterior Finish | Painted | 
| Material | Iron, Polyurethane (PU) | 
| OEM Part Number | RS999305 | 
| Global Trade Identification Number | 00039703093057 | 
| Automotive Fit Type | Vehicle Specific Fit | 
| UPC | 039703093057 | 
| Manufacturer | Rancho | 
| Model | RS9000XL Adjustable | 
| Item Weight | 6 pounds | 
| Item model number | RS999305 | 
| Is Discontinued By Manufacturer | No | 
| Manufacturer Part Number | RS999305 | 
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