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KYB Suspension 554366 Gas-a-Just Monotube Gas Shock Absorber

(2005-2007 Ford F-250 Super Duty; 2005-2016 Ford F-350 Super Duty)

Part of: KYB Suspension Gas-a-Just Monotube Gas Shock Absorber

Other options in this family: KYB Suspension KG54328 KYB Suspension KG5498 KYB Suspension KG9025 KYB Suspension KG54314 KYB Suspension 554384

Manufacturer

Picture for manufacturer KYB Suspension

Part Number

554366
6 reviews
Sale Price

$78.23

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The KYB Gas-a-Just 554366 is a high-performance monotube shock absorber engineered to deliver superior handling and fade-free performance. Unlike traditional twin-tube designs, this monotube configuration provides instant response to changing road conditions while maintaining consistent damping characteristics under all driving scenarios.

Key Features:

  • Monotube design with two separate working chambers for optimal performance
  • Air-free hydraulic piston and valve area ensures precise responsiveness and control
  • High-pressure nitrogen gas chamber with floating piston technology
  • Fade-free performance that eliminates aeration issues common in twin-tube shocks
  • Automatically adjusts to performance demands without driver input
  • Comfortable ride quality during normal driving with instant performance on demand
  • Enhanced heat dissipation compared to twin-tube designs

The Gas-a-Just monotube design positions the hydraulic fluid and nitrogen gas in separate chambers divided by a floating piston. This configuration keeps the hydraulic fluid completely free of aeration, ensuring consistent damping force and eliminating the performance fade that occurs when air mixes with hydraulic fluid in traditional shocks. Whether you're navigating daily commutes or demanding driving conditions, the KYB 554366 delivers reliable, fade-free shock absorption.

Products specifications

Fits

2005-2007 Ford F-250 Super Duty; 2005-2016 Ford F-350 Super Duty

FEATURE AND BENEFIT 1

ADDS UP TO 25% MORE DAMPING PERFORMANCE OVER ORIGINAL EQUIPMENT SHOCKS

Stroke Length

10.2

Compressed Length

16.33

Extended Length

26.53

Feature and Benefit 2

COMPONENTS AND VALVING DESIGNED SPECIFICALLY FOR FORD TRUCKS

Upper Mount Type

E1

Lower Mount Type

E2(12X38)

Feature and Benefit 7

ELECTRONIC SAFETY SYSTEMS DEPEND ON THE SUSPENSION, BRAKES AND TIRES OPERATING AS THE VEHICLE MANUFACTURER INTENDED. THE KYB GAS-A-JUST HELPS KEEP ELECTRONIC SAFETY SYSTEMS PERFORMING AS DESIGNED.

Feature and Benefit 5

FLUID LEAKING CAN BE A CAUSE OF SHOCK FAILURE, THE KYB GAS-A-JUST HAS AN ULTRA-SMOOTH TRIPLE CHROME PLATED CHROME PISTON ROD TO REDUCE SEAL WEAR

Feature and Benefit 3

GAS-A-JUST MONOTUBES INCLUDE ADDITIONAL DAMPING OVER OE DESIGN FOR VEHICLES THAT WORK, TOW, AND HAVE LARGER, HEAVIER TIRES & WHEELS

Feature and Benefit 4

HIGH PRESSURE MONOTUBE DESIGN SEPARATES THE GAS AND OIL FOR FADE FREE OPERATION AND INSTANT RESPONSE

B-stop

N

R-stop

N

Feature and Benefit 6

THE HIGHER GAS PRESSURE OF THE KYB GAS-A-JUST RESPONDS QUICKLY TO IMPROVE STEERING RESPONSE

Dust Cover Included

Y

Stroke Length

10.20

Internal Rebound Spring

N

good

Have not recieved order yet, but price was good. Will see how long it takes and if I get the right product. Writing this review before arrivial.

Check out was easy.

Fast shipping, exactly what I was looking for, at the best price I could find! Thanks!!

The part I purchased had the lowest price I could find online anywhere.. Simple transaction and fast shipping.. Ordered on a Monday and delivered by Friday..

a lot of their parts are the lowest price you can find. they will always be on my list of autopart dealers for every build

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