• Features & Benefits

    KYB Gas-a-Just Shocks 554389

    Upgrade your Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, Sierra 3500 HD performance and handling with KYB Gas-a-Just Shocks 554389. These high-pressure monotube shocks are designed to deliver enhanced control and stability, making them the ideal upgrade for drivers seeking to improve their vehicle's responsiveness and road feel. KYB Gas-a-Just Shocks are engineered to provide a firmer ride and better performance than traditional twin-tube shocks, ensuring your vehicle performs at its best under various driving conditions. KYB Gas-a Just Shocks are the choice for muscle cars and a great replacement for drivers who want a good long lasting Monotube shock at a great price.

    Features of the 554389:

    • High-Pressure Nitrogen Gas Design: The monotube design with high-pressure nitrogen gas eliminates aeration, ensuring consistent performance and quicker response times.
    • Increased Damping Force: These shocks automatically adjust to changing road conditions, delivering more precise control and stability, especially in demanding driving situations.
    • Seamless Working Cylinder: Manufactured from a single piece of steel, the seamless cylinder reduces the chance of leaks and enhances the shock's overall durability.
    • Triple-Chrome Plated Piston Rod: The piston rod is designed for strength and corrosion resistance, extending the shock's life.
    • Heavy-Duty Construction: Built to withstand the rigors of heavy-duty use, these shocks are perfect for both performance and utility vehicles.

    Benefits of the 554389:

    • Superior Handling: KYB Gas-a-Just Shocks provide a firmer, more responsive ride, improving your vehicle's handling and cornering ability.
    • Improved Stability: The high-pressure gas design reduces body roll and sway, giving you better control over your vehicle in all driving conditions.
    • Long-Lasting Durability: With heavy-duty construction and a seamless working cylinder, these shocks are designed to provide reliable performance for years.
    • Quick and Consistent Response: The monotube design ensures that your vehicle reacts quickly to changes in road conditions, providing a smoother and more controlled ride.

    Specifications of the 554389:

    • Compressed Length (In): 16.14
    • Extended Length (In): 25.31
    • Internal Rebound Spring: N
    • Lower Mount Type: E2(14.6x42)
    • Stroke Length: 9.17
    • Upper Mount Type: E2(14.6x42)

     

    Upgrade your vehicle with KYB Gas-a-Just Shocks 554389 and experience the enhanced control, stability, and performance these high-pressure monotube shocks offer. Perfect for drivers who demand more from their suspension, these shocks deliver the durability and responsiveness you need to take on any road.

    For more information or to find the perfect fit for your vehicle, contact us at Shockwarehouse. We're here to help you get the most out of your suspension system.

  • Fitments

    Vehicle
    Position
    Notes
    Year
    Chevrolet Silverado 2500 HD Custom 4WD
    Rear
    w/o Lifted Package
    Chevrolet Silverado 2500 HD Custom 4WD
    Rear
    w/o Off-Road Package
    Chevrolet Silverado 2500 HD Custom RWD
    Rear
    w/o Lifted Package
    Chevrolet Silverado 2500 HD Custom RWD
    Rear
    w/o Off-Road Package
    Chevrolet Silverado 2500 HD High Country 4WD
    Rear
    w/o Lifted Package
    Chevrolet Silverado 2500 HD High Country 4WD
    Rear
    w/o Off-Road Package
    Chevrolet Silverado 2500 HD High Country 4WD
    Rear
    Chevrolet Silverado 2500 HD High Country RWD
    Rear
    Chevrolet Silverado 2500 HD LT 4WD
    Rear
    w/o Lifted Package
    Chevrolet Silverado 2500 HD LT 4WD
    Rear
    w/o Off-Road Package
    Chevrolet Silverado 2500 HD LT 4WD
    Rear
    Chevrolet Silverado 2500 HD LT RWD
    Rear
    w/o Lifted Package
    Chevrolet Silverado 2500 HD LT RWD
    Rear
    w/o Off-Road Package
    Chevrolet Silverado 2500 HD LT RWD
    Rear
    Chevrolet Silverado 2500 HD LTZ 4WD
    Rear
    w/o Lifted Package
    Chevrolet Silverado 2500 HD LTZ 4WD
    Rear
    w/o Off-Road Package
    Chevrolet Silverado 2500 HD LTZ 4WD
    Rear
    Chevrolet Silverado 2500 HD LTZ RWD
    Rear
    w/o Lifted Package
    Chevrolet Silverado 2500 HD LTZ RWD
    Rear
    w/o Off-Road Package
    Chevrolet Silverado 2500 HD LTZ RWD
    Rear
    Chevrolet Silverado 2500 HD WT 4WD
    Rear
    w/o Lifted Package
    Chevrolet Silverado 2500 HD WT 4WD
    Rear
    w/o Off-Road Package
    Chevrolet Silverado 2500 HD WT 4WD
    Rear
    Chevrolet Silverado 2500 HD WT RWD
    Rear
    w/o Lifted Package
    Chevrolet Silverado 2500 HD WT RWD
    Rear
    w/o Off-Road Package
    Chevrolet Silverado 2500 HD WT RWD
    Rear
    Chevrolet Silverado 3500 HD Base RWD Crew Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD Base RWD Extended Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD Base RWD Standard Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD High Country 4WD Cab & Chassis
    Rear
    Chevrolet Silverado 3500 HD High Country 4WD Crew Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD High Country 4WD Extended Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD High Country 4WD Standard Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD High Country RWD Cab & Chassis
    Rear
    Chevrolet Silverado 3500 HD High Country RWD Crew Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD High Country RWD Extended Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD High Country RWD Standard Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD LT 4WD Cab & Chassis
    Rear
    Chevrolet Silverado 3500 HD LT 4WD Crew Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD LT 4WD Crew Cab Pickup
    Rear
    Chevrolet Silverado 3500 HD LT 4WD Extended Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD LT 4WD Extended Cab Pickup
    Rear
    Chevrolet Silverado 3500 HD LT 4WD Standard Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD LT 4WD Standard Cab Pickup
    Rear
    Chevrolet Silverado 3500 HD LT RWD Cab & Chassis
    Rear
    Chevrolet Silverado 3500 HD LT RWD Crew Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD LT RWD Crew Cab Pickup
    Rear
    Chevrolet Silverado 3500 HD LT RWD Extended Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD LT RWD Extended Cab Pickup
    Rear
    Chevrolet Silverado 3500 HD LT RWD Standard Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD LT RWD Standard Cab Pickup
    Rear
    Chevrolet Silverado 3500 HD LTZ 4WD Cab & Chassis
    Rear
    Chevrolet Silverado 3500 HD LTZ 4WD Crew Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD LTZ 4WD Crew Cab Pickup
    Rear
    Chevrolet Silverado 3500 HD LTZ 4WD Extended Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD LTZ 4WD Extended Cab Pickup
    Rear
    Chevrolet Silverado 3500 HD LTZ 4WD Standard Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD LTZ 4WD Standard Cab Pickup
    Rear
    Chevrolet Silverado 3500 HD LTZ RWD Cab & Chassis
    Rear
    Chevrolet Silverado 3500 HD LTZ RWD Crew Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD LTZ RWD Crew Cab Pickup
    Rear
    Chevrolet Silverado 3500 HD LTZ RWD Extended Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD LTZ RWD Extended Cab Pickup
    Rear
    Chevrolet Silverado 3500 HD LTZ RWD Standard Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD LTZ RWD Standard Cab Pickup
    Rear
    Chevrolet Silverado 3500 HD WT 4WD Cab & Chassis
    Rear
    Chevrolet Silverado 3500 HD WT 4WD Crew Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD WT 4WD Crew Cab Pickup
    Rear
    Chevrolet Silverado 3500 HD WT 4WD Extended Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD WT 4WD Extended Cab Pickup
    Rear
    Chevrolet Silverado 3500 HD WT 4WD Standard Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD WT 4WD Standard Cab Pickup
    Rear
    Chevrolet Silverado 3500 HD WT RWD Cab & Chassis
    Rear
    Chevrolet Silverado 3500 HD WT RWD Crew Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD WT RWD Crew Cab Pickup
    Rear
    Chevrolet Silverado 3500 HD WT RWD Extended Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD WT RWD Extended Cab Pickup
    Rear
    Chevrolet Silverado 3500 HD WT RWD Standard Cab Pickup
    Rear
    Single Rear Wheels
    Chevrolet Silverado 3500 HD WT RWD Standard Cab Pickup
    Rear
    GMC Sierra 2500 HD AT4 4WD
    Rear
    w/o Lifted Package
    GMC Sierra 2500 HD AT4 4WD
    Rear
    GMC Sierra 2500 HD Base 4WD
    Rear
    GMC Sierra 2500 HD Base RWD
    Rear
    GMC Sierra 2500 HD Denali 4WD
    Rear
    w/o Lifted Package
    GMC Sierra 2500 HD Denali 4WD
    Rear
    GMC Sierra 2500 HD Denali RWD
    Rear
    GMC Sierra 2500 HD Denali Ultimate 4WD
    Rear
    w/o Lifted Package
    GMC Sierra 2500 HD Pro 4WD
    Rear
    w/o Lifted Package
    GMC Sierra 2500 HD Pro 4WD
    Rear
    GMC Sierra 2500 HD Pro RWD
    Rear
    w/o Lifted Package
    GMC Sierra 2500 HD Pro RWD
    Rear
    GMC Sierra 2500 HD SLE 4WD
    Rear
    w/o Lifted Package
    GMC Sierra 2500 HD SLE 4WD
    Rear
    GMC Sierra 2500 HD SLE RWD
    Rear
    w/o Lifted Package
    GMC Sierra 2500 HD SLE RWD
    Rear
    GMC Sierra 2500 HD SLT 4WD
    Rear
    w/o Lifted Package
    GMC Sierra 2500 HD SLT 4WD
    Rear
    GMC Sierra 2500 HD SLT RWD
    Rear
    w/o Lifted Package
    GMC Sierra 2500 HD SLT RWD
    Rear
    GMC Sierra 2500 HD WT 4WD
    Rear
    GMC Sierra 2500 HD WT RWD
    Rear
    GMC Sierra 3500 HD AT4 4WD Cab & Chassis
    Rear
    GMC Sierra 3500 HD AT4 4WD Crew Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD AT4 4WD Extended Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD AT4 4WD Standard Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD Base 4WD Cab & Chassis
    Rear
    GMC Sierra 3500 HD Base 4WD Crew Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD Base 4WD Extended Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD Base 4WD Standard Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD Base RWD Cab & Chassis
    Rear
    GMC Sierra 3500 HD Base RWD Crew Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD Base RWD Extended Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD Base RWD Standard Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD Denali 4WD Cab & Chassis
    Rear
    GMC Sierra 3500 HD Denali 4WD Crew Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD Denali 4WD Crew Cab Pickup
    Rear
    GMC Sierra 3500 HD Denali 4WD Extended Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD Denali 4WD Extended Cab Pickup
    Rear
    GMC Sierra 3500 HD Denali 4WD Standard Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD Denali 4WD Standard Cab Pickup
    Rear
    GMC Sierra 3500 HD Denali RWD Cab & Chassis
    Rear
    GMC Sierra 3500 HD Denali RWD Crew Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD Denali RWD Crew Cab Pickup
    Rear
    GMC Sierra 3500 HD Denali RWD Extended Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD Denali RWD Extended Cab Pickup
    Rear
    GMC Sierra 3500 HD Denali RWD Standard Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD Denali RWD Standard Cab Pickup
    Rear
    GMC Sierra 3500 HD SLE 4WD Cab & Chassis
    Rear
    GMC Sierra 3500 HD SLE 4WD Crew Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD SLE 4WD Crew Cab Pickup
    Rear
    GMC Sierra 3500 HD SLE 4WD Extended Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD SLE 4WD Extended Cab Pickup
    Rear
    GMC Sierra 3500 HD SLE 4WD Standard Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD SLE 4WD Standard Cab Pickup
    Rear
    GMC Sierra 3500 HD SLE RWD Cab & Chassis
    Rear
    GMC Sierra 3500 HD SLE RWD Crew Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD SLE RWD Crew Cab Pickup
    Rear
    GMC Sierra 3500 HD SLE RWD Extended Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD SLE RWD Extended Cab Pickup
    Rear
    GMC Sierra 3500 HD SLE RWD Standard Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD SLE RWD Standard Cab Pickup
    Rear
    GMC Sierra 3500 HD SLT 4WD Cab & Chassis
    Rear
    GMC Sierra 3500 HD SLT 4WD Crew Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD SLT 4WD Crew Cab Pickup
    Rear
    GMC Sierra 3500 HD SLT 4WD Extended Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD SLT 4WD Extended Cab Pickup
    Rear
    GMC Sierra 3500 HD SLT 4WD Standard Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD SLT 4WD Standard Cab Pickup
    Rear
    GMC Sierra 3500 HD SLT RWD Cab & Chassis
    Rear
    GMC Sierra 3500 HD SLT RWD Crew Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD SLT RWD Crew Cab Pickup
    Rear
    GMC Sierra 3500 HD SLT RWD Extended Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD SLT RWD Extended Cab Pickup
    Rear
    GMC Sierra 3500 HD SLT RWD Standard Cab Pickup
    Rear
    Single Rear Wheels
    GMC Sierra 3500 HD SLT RWD Standard Cab Pickup
    Rear
    GMC Sierra 3500 HD WT 4WD Crew Cab Pickup
    Rear
    GMC Sierra 3500 HD WT 4WD Extended Cab Pickup
    Rear
    GMC Sierra 3500 HD WT 4WD Standard Cab Pickup
    Rear
    GMC Sierra 3500 HD WT RWD Crew Cab Pickup
    Rear
    GMC Sierra 3500 HD WT RWD Extended Cab Pickup
    Rear
    GMC Sierra 3500 HD WT RWD Standard Cab Pickup
    Rear
  • Need Help?

    Contact Shockwarehouse By Phone

    Shockwarehouse is available from 10 am to 4:30 pm Eastern Standard Time Monday through Friday toll free at 1-800-245-7469 or locally and internationally at 1-954-202-6229.


    Contact Shockwarehouse Through Live Chat

    Shockwarehouse live chat is typically available from 10 am to 4:30 pm Monday through Friday and can be accessed by clicking the Live Chat button on the right side of the page.

    Contact Shockwarehouse By Text/SMS

    Shockwarehouse is available from 10 am to 4:30 pm Eastern Standard Time Monday through Friday, text us at 1-800-245-7469. Durring off hours, the texts are checked frequently and usually will be answered within 1-6 hours. Please provide details about your vehicle or shock needs so we can have your answer ready.


    Contact Shockwarehouse Through Email

    Technical Questions

    All technical questions regarding vehicle fitment, custom made shocks, lifted and lowered vehicles, or any other technical shock questions should use the Technical Support Form


    Returns

    All return requests and inquiries must use the Return Form.


    Warranty

    For warranty requests and inquiries, please see the Warranty Help Form

    New Order or Order Status

    For help placing a new order, checking the status of your order, or making changes to your order, please call 1-800-245-7469 or 1-954-202-6229 between the hours of 9 am and 6 pm Eastern Standard Time Monday through Friday. You can also submit the form here. Please note: order cancellation requests MUST be made by phone.

KYB 554389 Rear Gas-a-Just Shock Absorber Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, Sierra 3500 HD

KYB 554389 Rear Gas-a-Just Shock Absorber Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, Sierra 3500 HD

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