What is the main difference between a Gas-A-Just shock and a standard twin-tube shock?

The Gas-A-Just shock uses a monotube design with high-pressure gas. This helps prevent the shock fluid from foaming under heavy use, which can lead to a loss of damping. Standard twin-tube shocks can be more prone to foaming, especially during spirited driving or over rough terrain.

Does this rear shock come with any mounting hardware?

This product listing is for the rear shock absorber only. It is designed as a direct replacement for your original shock, so you will typically reuse your existing mounting hardware during installation.

What does 'Gas-A-Just' mean in the product name?

The 'Gas-A-Just' name refers to KYB's specific technology that uses high-pressure gas charging within a monotube design. This system is intended to provide consistent damping performance by minimizing fluid aeration and foaming, even under demanding conditions.

2019-2022 Silverado/Sierra 1500 Rear Shock

Name: High Pressure Monotube Gas Shock
Brand: KYB
SKU: kyb-kyb-19-21-gmc-sierra-1500-exc-at4-w-o-off-road-susp-z85-package-gas-a-just-s-t14-896427
Price: 76.24 USD
Availability: InStock

High Pressure Monotube Gas Shock

$76.24

In Stock

Fits 2019-2022 Silverado/Sierra 1500. KYB Gas-A-Just rear shock for improved ride control.

Key Features

Fits 2019-2022 Chevrolet Silverado 1500 and GMC Sierra 1500 models (excluding AT4, Off Road Susp., and Z85 Package).
KYB Gas-A-Just rear shock absorber.
Monotube design with high-pressure gas charging helps prevent fluid foaming for consistent damping.
Restores original ride and handling characteristics.
Direct replacement part for straightforward installation.

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Will this fit your vehicle?

Product Details

KYB is well-known for making reliable suspension components. This Gas-A-Just rear shock absorber is built for your 2019-2021 Chevrolet Silverado 1500 or GMC Sierra 1500, and also fits the 2022 Silverado 1500 LTD and Sierra 1500 Limited models. It's designed to replace your stock shock and help restore your truck's original ride and handling characteristics.

The Gas-A-Just shock uses a monotube design with high-pressure gas charging. This helps prevent the fluid from foaming, which can happen during heavy use or over rough roads. By keeping the fluid stable, the shock can maintain consistent damping performance, giving you a more controlled ride. It's a solid option if you're looking to replace worn-out rear shocks and want a noticeable improvement in how your truck handles bumps and body roll.

This shock is specifically designed for trucks without the Off Road Suspension or Z85 Package, and excludes the AT4 trim. It's a direct replacement part, meaning it should fit right onto your existing mounting points without needing any modifications.