KYB Gas-A-Just Rear Shock

2014–2018 Ram 3500 Pickup with Rear Air Spring (Exc. Cab & Chassis)

5550006

Overview:

The KYB Gas-A-Just Rear Shock 5550006 is a high-performance replacement shock absorber designed specifically for the rear suspension of 2014 to 2018 Ram 3500 pickups equipped with rear air springs, excluding extended cab and chassis cab models. Engineered to enhance handling, stability, and ride quality, these shocks offer a significant upgrade over factory twin-tube designs. Ideal for drivers who demand improved control and responsiveness, the Gas-A-Just shocks deliver a firmer, more controlled ride without sacrificing durability or comfort.

Whether you use your Ram 3500 for heavy-duty hauling, towing, or daily driving, these shocks provide consistent performance across a variety of road conditions. They are a popular choice among enthusiasts and professionals looking to restore or improve their truck’s suspension with a reliable, long-lasting monotube shock absorber.

Key Features:

KYB Gas-A-Just shocks incorporate advanced technology and robust construction to deliver superior suspension performance. Key features include:

• High-Pressure Nitrogen Gas Design: Eliminates aeration and foaming inside the shock for consistent damping and quicker response.
• Monotube Construction: Provides better heat dissipation and more precise control compared to traditional twin-tube shocks.
• Increased Damping Force: Automatically adjusts to changing road conditions, enhancing stability and handling.
• Seamless Working Cylinder: Made from a single piece of steel to reduce leaks and improve durability.
• Triple-Chrome Plated Piston Rod: Offers superior corrosion resistance and strength for extended shock life.
• Heavy-Duty Build: Designed to withstand the rigors of heavy loads and demanding driving environments.
• Optimized Stroke Length: 6.45 inches stroke length for effective suspension travel and control.

Construction & Design:

The KYB Gas-A-Just 5550006 shock features a robust monotube design constructed from high-grade steel, ensuring long-term durability and resistance to wear. The seamless cylinder construction minimizes the risk of fluid leaks and enhances the shock’s structural integrity. The piston rod is triple-chrome plated, providing excellent corrosion resistance and strength to withstand harsh road conditions and heavy use.

High-pressure nitrogen gas is charged inside the shock to prevent aeration and maintain consistent damping performance. This design allows the shock to respond quickly and smoothly to road irregularities, improving vehicle control and ride comfort. The heavy-duty construction makes these shocks well-suited for both performance upgrades and utility applications.

Installation & Fitment:

The KYB Gas-A-Just Rear Shock 5550006 is a direct replacement for the rear shocks on 2014–2018 Ram 3500 pickups equipped with rear air springs, excluding extended cab and chassis cab models. Installation requires no modifications, as the shocks are designed to fit factory mounting points with E2 (14.6x42) upper and lower mounts. This ensures a straightforward bolt-on upgrade that restores or enhances your truck’s suspension performance quickly and easily.

What's Included:

• One KYB Gas-A-Just Rear Shock Absorber (Part #5550006)
• Pre-installed mounting hardware (where applicable)
• Installation instructions (if provided)

Ideal For:

This KYB Gas-A-Just shock is ideal for Ram 3500 owners who want to improve rear suspension performance, especially those who frequently haul heavy loads or tow trailers. It is also well-suited for drivers seeking a firmer, more responsive ride with reduced body roll and enhanced stability. Whether you use your truck for work or recreation, these shocks provide reliable, long-lasting performance that meets the demands of heavy-duty use.

KYB is a major shock and strut manufacturer supplying both OEM and aftermarket suspension components, with options that range from OE-replacement ride quality to more performance-oriented control. For enthusiasts, KYB upgrades are a solid way to restore damping performance and tighten handling feel with proven manufacturing scale and consistency.