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KYB Suspension 5540013 Gas-a-Just Monotube High Pressure Gas Shock Absorber

(2013-2020 Lexus GS350; 2018-2019 Lexus GS300; 2015-2018 Lexus RC350; 2016-2017 Lexus RC200t; 2016-2017 Lexus GS200t)

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 554348 KYB Suspension KG5440

Manufacturer

Picture for manufacturer KYB Suspension

Part Number

5540013
9 reviews
Sale Price

$116.16

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The KYB Gas-a-Just monotube shock absorber is engineered to restore and enhance your vehicle's performance with advanced monotube technology. This high-pressure gas shock provides superior handling, reduced body roll, and improved stability compared to standard twin-tube designs.

Key Features:

  • Monotube design with larger piston for improved heat dissipation and consistent performance
  • Dual-chamber construction with air-free hydraulic piston and valve area for precise responsiveness and control
  • High-pressure nitrogen gas chamber with floating piston separates gas and oil for fade-free performance
  • Delivers firmer, more controlled ride characteristics for enhanced cornering and braking stability
  • Ideal for vehicles with heavy loads, towing applications, or performance driving
  • Direct OE replacement for easy installation

The Gas-a-Just technology ensures immediate performance on demand while maintaining a comfortable ride during normal driving conditions. The nitrogen gas pressurization prevents aeration and foaming, ensuring consistent damping even under demanding conditions.

Products specifications

Fits

2013-2020 Lexus GS350; 2018-2019 Lexus GS300; 2015-2018 Lexus RC350; 2016-2017 Lexus RC200t; 2016-2017 Lexus GS200t

Compressed Length

18.69

Extended Length

23.44

Stroke Length

4.75

Lower Mount Type

E2(14.2X70)

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

Upper Mount Type

S1(12MM)

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 YOUR AWD LEXUS GS350

R-stop

Y

Internal Rebound Spring

Y

Great place to shop !!!!

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Excellent pricing! thank you!

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