KYB 5510015 | Front Left Suspension Strut

Part Number
High Pressure Monotube Gas Strut

Fits: 14-15 Lexus IS250, 14-16 Lexus IS350
Special Price $124.09 Regular Price $137.88
In stock
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Estimated Ship Date: 1 Business Day or Less


High Pressure Monotube Gas Strut

The Gas-a-just monotube strut is available as an OE monotube replacement to restore your vehicle's original capabilities. The KYB Gas-a-just has two separate working chambers: An air-free hydraulic piston and valve area for responsiveness and control, and a second high-pressure nitrogen gas area with a floating piston that provides a comfortable ride during normal driving and adds instant performance on demand.


  • The Correct, Monotube-Designed Oem Replacement
  • The Kyb Gas-A-Just Helps Restore The Designed Control And Handling Of The Lexus Is Sedan
  • Gas-A-Just Monotubes Are Designed For Vehicles That Work, Tow, And Have Larger, Heavier Tires & Wheels
  • High Pressure Monotube Design Separates The Gas And Oil For Fade Free Operation And Instant Response
  • 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
  • The Higher Gas Pressure Of The Kyb Gas-A-Just Responds Quickly To Improve Steering Response
  • 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.


Compressed Length:17.43
Dust Cover Included:N
Extended Length:20.78
Internal Rebound Spring:Y
Lower Mount Type:E2(14.2x42)
Stroke Length:3.35
Upper Mount Type:12x1.25


  • Lexus: 4852059705
  • Monroe Shocks & Struts: 39132


  • 2014-2015 Lexus IS250        Position: Front Left        Note: Recommended OEM Replacement
  • 2014-2016 Lexus IS350        Position: Front Left        Note: Recommended OEM Replacement

Customer Questions
Is It OK To Drive With Bad Struts?
Driving with bad struts is unsafe. Car bounces while driving. Replace them immediately. Shop struts on
How Can I Tell If My Struts Need To Be Replaced?
If your car bounces excessively, experiences poor handling, or has uneven tire wear, you may have bad struts. Check for signs of bad struts like nose dive during braking. Shop for replacement shocks and struts on
What Do Your Struts Do?
Car struts are essential for smooth driving. They support the weight of the vehicle, dampen shocks, and provide stability. Replace worn out struts on a car with quality products from
What Do Your Shocks Do?
Car shocks absorb impact from bumps and uneven road surfaces, improving ride comfort and handling. It's recommended to replace shocks every 50,000 miles for optimal performance. Shop shocks for your car at
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