Keep the front end planted and responsive with the KYB Gas-a-just High Pressure Monotube Gas Strut 551106, a front-right suspension strut that drops in as an OE monotube replacement to help restore your vehicle's original capabilities. It fits the 2006 Lexus GS300 and the 2007-2011 Lexus GS350 (see the Buyer's Guide tab for engine details), and helps restore the designed control and handling of the Lexus GS.
- Two working chambers: an air-free hydraulic piston and valve area for responsiveness and control, plus a high-pressure nitrogen gas area with a floating piston for a comfortable ride during normal driving and added performance on demand.
- High-pressure monotube design: separates the gas and oil for fade-free operation and instant response.
- Triple chrome-plated piston rod: an ultra-smooth rod that reduces seal wear, since fluid leaking can be a cause of shock failure.
- Built to work: designed for vehicles that work, tow, and run larger, heavier tires and wheels, and helps keep Electronic Safety Systems performing as designed.
To reduce the chance of noise and vibration, KYB recommends installing new strut mounts, part number SM5723.
Interchange: 4851080301 · 4851080431
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does strut 551106 fit?
It fits the 2006 Lexus GS300 and the 2007-2011 Lexus GS350. See the Buyer's Guide tab for engine details and to confirm fitment for your vehicle.
What position is this strut for?
This is the front-right suspension strut for the listed applications.
What makes the Gas-a-just a monotube design?
It uses a high-pressure monotube layout that separates the gas and oil into separate chambers for fade-free operation and instant response.
Why does it have a triple chrome-plated piston rod?
The ultra-smooth rod is designed to reduce seal wear. Since fluid leaking can be a cause of shock failure, this helps protect the seal.
Should I replace the strut mounts too?
To reduce the chance of noise and vibration, KYB recommends installing new strut mounts, part number SM5723.
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