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KYB Suspension 551107 Gas-a-Just Monotube Shock Absorber

(2007-2011 Lexus GS350; 2006 Lexus GS300)

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

551107
13 reviews
Sale Price

$136.28

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The KYB Gas-a-Just 551107 is a high-performance monotube shock absorber designed to deliver superior responsiveness and fade-free performance. Unlike traditional twin-tube designs, this monotube configuration offers instant, automatic adjustment to changing driving conditions without the performance degradation caused by fluid aeration.

Key Features:

  • Monotube design with two separate working chambers for optimal performance
  • Air-free hydraulic piston and valve area ensures precise control and immediate response
  • High-pressure nitrogen gas chamber with floating piston technology
  • Fade-free operation eliminates performance loss during demanding driving
  • Versatile application as OE monotube replacement or twin-tube performance upgrade
  • Delivers comfortable ride quality during normal driving with instant performance on demand

The dual-chamber design separates the hydraulic fluid from the pressurized nitrogen gas, maintaining consistent damping characteristics across all driving conditions. This engineering provides both the comfort needed for daily driving and the performance capabilities required when you push your vehicle harder.

Products specifications

Fits

2007-2011 Lexus GS350; 2006 Lexus GS300

Upper Mount Type

12X1.25

Compressed Length

17.48

Extended Length

21.54

Stroke Length

4.06

Lower Mount Type

E2(14.2X42)

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

Great

So far so good.

The product was a perfect fit!

great pricing, easy to order fro web.

Found exactly what i was looking for!!

Good products

Like the interface of the website, clean and simple.

Item came fairly fast, no issues.

excellent

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.

My name was mispelled on order confirmation but spelled correctly when autoplicity wants me to rate their site, wierd.

So far so good.

great stuff cheap price. fast shipping

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