Description
Premium Suspension Shock Absorber. The Rancho RS5000X shock absorber is engineered to enhance vehicle handling and performance on and off-road. It improves ride quality through an exclusive valving system custom-tuned for each vehicle, delivering a smoother and more controlled driving experience.
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Construction and Appearance. Built with durable materials including a 16mm nitro-carburized piston rod, 35mm sintered iron piston, and reinforced steel body finished in white paint. The twin-tube design is filled with all-weather fluid to ensure cooler operation and features a polyvinyl protective boot for extended durability and corrosion resistance.
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Installation. Designed for straightforward installation with specific mounting points, requiring no drilling or extensive modifications, suitable for both experienced DIYers and professional installers.
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Warranty. Backed by a limited lifetime warranty for lasting product confidence.
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Application. Specifically designed to fit the front suspension of 2011 to 2026 GMC Sierra 3500 HD models, providing optimized performance and durability for this heavy-duty vehicle series.
Rancho RS55377
CA Residents: WARNING: Cancer and Reproductive Harm
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- Features Unique Exclusive Valving System
- Advanced Compression Functionality For Improved Handling On And Off Road
- Minimizes Rough Ride With Progressive Engagement Valving Custom Tuned For Each Vehicle
- 16mm Nitro Carburized Piston Rod Resists Scuffs And Corrosion
- Double Welded Loops At Stress Areas For Added Strength
- 35mm Sintered Iron Piston Enhances Structural Integrity
- Polyvinyl Protective Boot Included
- Large Twin Tube Body Filled With All Weather Fluid For Cooler Operation
- Withstands Internal Temperatures From -40 To 248 Degrees Fahrenheit
- Polyurethane Rebound Bumper And Rubber Bushings Absorb Ride Harshness
- Fluon Banded Piston Enhances Responsiveness To Road Conditions
- Nitrogen Gas Pressurized To 150 PSI Reduces Damping Performance Fade
- Custom Tuned Compression Control Valve Regulates Fluid Transfer To Absorb Impacts Without Disc Flutter
- Low Friction Self Lubricating Seal Retains Gas And Oil
- Application Specific Piston Provides Heightened Shock Motion Control
- Includes Limited Lifetime Warranty
- Fits 11-26 Sierra 3500 HD Front Position
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| Brand | Rancho |
| Shock Type | Non-Adjustable |
| Shock Lift Height | 0-Inch Lift |






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