Description
Premium Adjustable Suspension. The Rancho RS9000XL Front Shock for Stock Height delivers advanced ride control with its nine-position adjustable damping. It is engineered to provide smooth on-road comfort and rugged off-road performance, making it essential for vehicles that tow, haul, or traverse tough terrain.
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Construction and Appearance. Crafted with an 18mm nitro-carburized piston rod for durability and corrosion resistance, this shock features a tri-tube steel body filled with all-weather fluid and finished with a premium liquid metallic coating. Its silver color and polyvinyl protective boot enhance longevity while maintaining functional aesthetics.
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Installation. Installation is straightforward with included mounting hardware and requires no drilling. Suitable for experienced DIYers or professional installation without extensive modifications.
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Warranty. This shock absorber comes with a limited lifetime warranty ensuring long-term reliability and peace of mind.
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Application. Specifically designed to fit 2011 through 2019 GMC Sierra 2500 HD models. Use as a direct replacement without fitment issues for these model years.
Rancho RS999377
CA Residents: WARNING: Cancer and Reproductive Harm
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- Nine Levels of Performance Allowing Customized Damping Control and Firmness
- Ideal for Stock or Lifted Trucks, SUVs, and Jeeps That Tow, Haul, or Go Off Road
- Recognized as the First Nine-Position Manually Adjustable Shock Series in the Off-Road Market
- Nitrogen Gas Pressurized to 120 PSI to Reduce Damping Performance Fade and Foaming
- Application-Specific 18mm Nitro-Carburized Piston Rod Resists Scuffs and Corrosion
- Double-Welded Loops at Stress Areas and 1.25-Inch Sintered Iron Piston for Enhanced Structural Integrity
- Up to 2.75-Inch Tri-Tube Body Filled with All-Weather Fluid for Cooler Operation and Increased Vehicle Control
- Withstands Internal Temperatures from -40 to 248°F
- Polyurethane Rebound Bumper and Bushings Along with Graphite-Filled Fluon-Banded Piston for Smoother Ride
- Low-Friction, Self-Lubricating Seal for Quicker Rebound and Smoother Compression
- Premium Liquid Metallic Finish and Polyvinyl Protective Boot for Longer Life
- Includes Mounting Hardware
- Telescopic Silver Shock Absorber with Clevis Bracket Mount and Cross Pin Mount
- Body Diameter of 2.13 Inches and Shock Stroke of 4.24 Inches
- Manual Adjustable Damping
- Progressive Valving Type
- Fits 11-19 Sierra 2500 HD
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| Brand | Rancho |
| Shock Type | Adjustable |
| Shock Lift Height | 0-Inch Lift |




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