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KYB Suspension 554348 Gas-a-Just Monotube High Pressure Gas Shock Absorber

(2006-2025 Chevrolet Express 3500; 2003-2025 Chevrolet Express 2500; 2003-2025 GMC Savana 2500; 2006-2025 GMC Savana 3500)

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

Other options in this family: KYB Suspension KG54317 KYB Suspension KG5462 KYB Suspension KG4752 KYB Suspension KG5440 KYB Suspension KG5446

Manufacturer

Picture for manufacturer KYB Suspension

Part Number

554348
16 reviews
Sale Price

$69.74

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 554348 is a high-performance monotube gas shock absorber engineered to deliver superior handling and fade-free performance in demanding driving conditions. Unlike traditional twin-tube designs, this monotube shock features advanced technology that instantly and automatically adjusts to changing road conditions and performance demands.

Monotube Design Advantages:

  • Larger piston diameter provides more consistent damping and better heat dissipation
  • Fade-free performance eliminates aeration issues common in twin-tube shocks
  • Instantaneous response to changing road and load conditions
  • Enhanced vehicle control during aggressive driving maneuvers

Dual-Chamber Technology:

  • Air-free hydraulic chamber with precision piston and valving for responsive control
  • High-pressure nitrogen gas chamber with floating piston separates oil and gas
  • Maintains consistent damping performance under all conditions
  • Provides comfortable ride quality during normal driving with performance on demand

The KYB Gas-a-Just is ideal for drivers seeking improved handling, reduced body roll, and enhanced stability without sacrificing ride comfort. The nitrogen gas charge and floating piston design ensure the shock maintains optimal pressure and prevents performance fade even during extended spirited driving.

Products specifications

Fits

2006-2025 Chevrolet Express 3500; 2003-2025 Chevrolet Express 2500; 2003-2025 GMC Savana 2500; 2006-2025 GMC Savana 3500

FEATURE AND BENEFIT 1

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

Compressed Length

14.84

Extended Length

23.62

Stroke Length

8.78

Feature and Benefit 2

COMPONENTS AND VALVING DESIGNED SPECIFICALLY FOR GM VANS

Lower Mount Type

E2(14.6X42)

Upper Mount Type

E3(61.6X87X0)

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

Internal Rebound Spring

N

Great ! so far

great service representative and easy cheout

I'm Satisfied

Been coming back for years love this website and the ease of finding what I always need for my cars totally recommend best prices online always !!

Excellent service. Received what I ordered sooner than anticipated.

Loved it ..thanks

So Far , So Good !!

Autoplicity did a great job. Fast shipping. Easy to order.

great prices easy checkout<br>slight delay with order processing.<br>

Fast, easy shopping

Fast ship, great price. I will purchase merchandise from them again.

Y'all is Awesome!

The price was really good compared to other places I looked. They shipped my order the next day which was really nice as I needed the product ASAP. Thanks Autoplicity

Excellent price and great customer service. Would do business with them again.

Bought a sparco steering wheel. Best price on the net. And shipping was very fast. Thank you

Fast shipping and good pricing, will definitely use again

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