KYB Suspension Shock Absorber 5550036
KYB Suspension Shock Absorber 5550036 - view 2
KYB Suspension Shock Absorber 5550036
KYB Suspension Shock Absorber 5550036 - view 2

Rear Shock Absorber for 2019-2021 Chevrolet Silverado 1500 & More - KYB 5550036

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$99.99
MPN: 5550036
UPC: 197244166651
Item Package Quantity: 1
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KYB Suspension Shock Absorber P/N:5550036
KYB Suspension Shock Absorber P/N:5550036
$99.99

Keep the rear of your truck planted with firm, fade-free damping from the KYB Gas-a-just Shock Absorber 5550036, a high-pressure monotube gas shock. It installs as a direct-fit rear replacement on many trucks, among them the 2019-2021 Chevrolet Silverado 1500, 2019-2021 GMC Sierra 1500 and 2022 Chevrolet Silverado 1500 LTD; see the Buyer's Guide tab for the full list. KYB positions the Gas-a-just as the correct, monotube-designed OEM replacement, and notes it helps restore the truck's designed control and handling.

  • Monotube gas design: Two separate working chambers — an air-free hydraulic piston and valve area for responsiveness and control, plus a high-pressure nitrogen gas area with a floating piston — so it never fades due to aeration.
  • Higher gas pressure: Responds quickly to help improve steering response, separating gas and oil for fade-free operation and instant response.
  • Triple chrome-plated piston rod: Ultra-smooth finish helps reduce seal wear; since fluid leaking can be a cause of shock failure, this helps protect the seal.
  • Safety systems: Helps keep Electronic Safety Systems performing as designed, which depend on the suspension, brakes and tires operating as the vehicle manufacturer intended.

Sold individually; replace both rear shocks together as a matched pair for balanced ride control.

Interchange: 84687045 · 84805975 · 84805978

This part cross-references / interchanges with the following part numbers:

84687045, 84805975, 84805978

Frequently Asked Questions

Is this the right shock absorber for a 2019-2021 Chevrolet Silverado 1500?

Yes, it is a direct-fit rear replacement for the 2019-2021 Chevrolet Silverado 1500. See the Buyer's Guide tab for every vehicle it fits.

What position does this shock install in?

This is a rear shock absorber. It mounts at the rear of the listed trucks.

What makes this Gas-a-just suspension shock absorber different from a twin-tube shock?

It uses two separate chambers — an air-free hydraulic piston and valve area, plus a high-pressure nitrogen gas area with a floating piston — so it won't fade due to aeration.

How many should I order?

Shocks are sold individually, so this listing is for one. Replacing both rear shocks together as a matched pair is recommended for balanced ride control.

What are signs my shock may need replacing?

Excessive bouncing, reduced ride control, uneven handling, or fluid leaking from the shock body are common signs. Diagnose the cause before replacing.

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