Rancho RS5000X Shock Absorber (Rear)

2007–2018 Jeep Wrangler & Jeep Wrangler JK

RS55328

Overview:

The Rancho RS5000X rear shock absorber is engineered specifically for Jeep Wrangler models from 2007 through 2017 and Jeep Wrangler JK models from 2018. Designed to enhance both on-road comfort and off-road capability, this shock delivers superior handling, improved vehicle control, and a smoother ride over rough terrain. Ideal for Jeep enthusiasts seeking a durable, high-performance suspension upgrade, the RS5000X combines advanced valving technology with rugged construction to meet the demands of daily driving and challenging off-road adventures.

With its exclusive valving system and custom-tuned compression control, the RS5000X shock absorber offers precise damping performance that adapts to varying road conditions, reducing harsh impacts and maintaining stability. Backed by Rancho’s Limited Lifetime Warranty, this shock is a reliable choice for Jeep owners looking to improve suspension responsiveness and durability.

Key Features:

The Rancho RS5000X rear shock incorporates innovative technologies and robust materials to deliver lasting performance:

• Exclusive Valving System: Features a unique rebound valving design and advanced compression phase for enhanced handling on and off road.
• Progressive Engagement Valving: Custom-tuned to reduce initial impacts at low speeds, minimizing rough ride sensations.
• Compression Control Valve: Regulates fluid transfer to absorb impacts smoothly without disc flutter, maintaining shock motion control.
• Durable Construction: 16mm nitro-carburized piston rod resists scuffs and corrosion for extended service life.
• Large Twin-Tube Body: Filled with all-weather fluid to withstand extreme temperatures from -40°F to 248°F, ensuring consistent performance.
• Polyurethane Rebound Bumper & Rubber Bushings: Absorb ride harshness and enhance responsiveness to changing terrain.
• Nitrogen Gas Pressurized: Maintains 150 PSI to reduce damping fade and foaming by minimizing air-to-oil mixture.
• Polyvinyl Protective Boot: Shields the shock shaft from debris and environmental damage.
• 35mm Sintered Iron Piston: Provides enhanced structural integrity for reliable shock motion control.

Construction & Design:

The RS5000X shock absorber is built with premium materials and precision engineering to withstand rigorous use. Its 16mm nitro-carburized piston rod offers superior resistance to wear and corrosion, ensuring long-term durability even in harsh environments. The shock’s large twin-tube design is filled with specialized all-weather fluid that maintains optimal viscosity across a wide temperature range, preventing fade and maintaining consistent damping performance.

Structural integrity is further reinforced by a 35mm sintered iron piston and double-welded loops at stress points, providing strength where it’s needed most. The polyvinyl protective boot guards against dirt and debris, extending the life of the shock. Additionally, the fluon-banded piston enhances smoothness and responsiveness, adapting quickly to changing road and trail conditions.

Installation & Fitment:

The Rancho RS5000X rear shock is a direct-fit replacement designed for Jeep Wrangler and Wrangler JK models within the 2007–2018 year range. Installation requires no modifications, making it a straightforward upgrade for enthusiasts and professional installers alike. It fits the following Jeep models:

• Jeep Wrangler 70th Anniversary (2011)
• Jeep Wrangler 75th Anniversary (2016)
• Jeep Wrangler Rubicon (2007–2017)
• Jeep Wrangler Sahara (2007–2017)
• Jeep Wrangler Sport (2010–2017)
• Jeep Wrangler Sport S (2016)
• Jeep Wrangler Unlimited 70th Anniversary (2011)
• Jeep Wrangler Unlimited 75th Anniversary (2016)
• Jeep Wrangler Unlimited Rubicon (2007–2017)
• Jeep Wrangler Unlimited Sahara (2007–2017)
• Jeep Wrangler Unlimited Sport (2010–2017)
• Jeep Wrangler Unlimited Sport S (2016)
• Jeep Wrangler Unlimited X (2007–2010)
• Jeep Wrangler X (2007–2010)
• Jeep Wrangler JK Rubicon (2018)
• Jeep Wrangler JK Sahara (2018)
• Jeep Wrangler JK Sport (2018)
• Jeep Wrangler JK Sport S (2018)
• Jeep Wrangler JK Unlimited Rubicon (2018)
• Jeep Wrangler JK Unlimited Sahara (2018)
• Jeep Wrangler JK Unlimited Sport (2018)

This shock is designed to bolt directly onto the factory mounting points, requiring standard hand tools and basic mechanical knowledge for installation.

What's Included:

• One Rancho RS5000X Rear Shock Absorber (Part # RS55328)
• Protective polyvinyl boot installed
• Installation instructions (where applicable)

Ideal For:

The Rancho RS5000X rear shock is perfect for Jeep Wrangler owners who demand improved suspension performance without sacrificing durability. Whether tackling rugged off-road trails, navigating rocky terrain, or seeking enhanced on-road handling and comfort, this shock absorber delivers reliable control and a smoother ride. It is especially suited for enthusiasts who require a shock that can withstand extreme temperatures and harsh conditions while maintaining consistent damping and vehicle stability.

Rancho is a performance suspension and shock brand for trucks, SUVs, and Jeeps, offering shocks/struts, steering stabilizers, leveling kits, and lift systems built for trail and daily use. Their products are aimed at improving control and stability on rough terrain while maintaining everyday drivability—ideal for rigs that tow, haul, and still see dirt on the weekends.