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KYB Suspension 551108 Gas-a-Just Monotube Performance Shock Absorber

(2007-2011 Lexus GS350; 2006 Lexus GS300)

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

Other options in this family: KYB Suspension KG4605A KYB Suspension 551119 KYB Suspension KG4503 KYB Suspension 551122 KYB Suspension KG4507

Manufacturer

Picture for manufacturer KYB Suspension

Part Number

551108
11 reviews
Sale Price

$130.14

In Stock (10+)

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Usually delivered within 2 days

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FREE SHIPPING

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Fitment guaranteed

Fitment guaranteed

Product Details

The KYB Gas-a-Just 551108 is a high-performance monotube shock absorber engineered to deliver superior handling and responsiveness compared to traditional twin-tube designs. This advanced shock technology automatically adapts to changing driving conditions, providing instant performance when you need it most without experiencing fade from aeration.

Key Features:

  • Monotube design with dual working chambers for optimal performance
  • Air-free hydraulic piston and valve area ensures immediate responsiveness and precise control
  • High-pressure nitrogen gas chamber with floating piston design
  • Automatically adjusts to performance demands in real-time
  • Fade-free operation eliminates performance loss from aeration
  • Comfortable ride quality during normal driving conditions
  • Instant performance enhancement during aggressive driving or demanding conditions
  • Available as direct OE monotube replacement or performance upgrade for twin-tube systems

The Gas-a-Just's innovative dual-chamber design separates the hydraulic fluid from the nitrogen gas using a floating piston, maintaining consistent damping performance under all driving conditions. This configuration provides the perfect balance between daily driving comfort and on-demand performance capability.

Products specifications

Fits

2007-2011 Lexus GS350; 2006 Lexus GS300

Upper Mount Type

12X1.25

Compressed Length

16.82

Extended Length

21.51

Stroke Length

4.69

Lower Mount Type

E2(14.2X60)

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 ARE DESIGNED 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

Internal Rebound Spring

INTERNAL REBOUND SPRING

Dust Cover Included

N

B-stop

N

FEATURE AND BENEFIT 1

THE CORRECT, MONOTUBE-DESIGNED OEM REPLACEMENT

Feature and Benefit 6

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

Feature and Benefit 2

THE KYB GAS-A-JUST HELPS RESTORE THE DESIGNED CONTROL AND HANDLING OF THE LEXUS GS

R-stop

Y

Internal Rebound Spring

Y

.

Good

Order arrived quickly and was well packaged.

I received the product, but l need to return it because it does not fit my truck. I have no return information.

great pricing, easy to order fro web.

Quick and easy part finding and check out.

Hello, Good price, almost as low as Amazon, but Amazon shipped me a broken headlight switch :( twice! :( So for my order# 602429, please bubble wrap it really, really, really well please, and then I will be ordering more parts from Autoplicity. Thank you! Jeff

Great pricing. (Check on google and they were the cheapest and had great reviews.) Quick shipment and everything is as they said it would be.

Everything went well. decent site to navigate and shopping cart was good.

Best price I could find anywhere and it shipped right away!

great stuff cheap price. fast shipping

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