Restore controlled, fade-resistant damping at the rear of your Lexus with the KYB Gas-a-just Suspension Shock Absorber (P/N 7240001), a high-pressure monotube adaptive gas shock. It's the correct OEM-replacement adaptive damper and installs as a direct-fit unit on the 2013-2020 Lexus GS350 (rear position) equipped with adaptive dampers.
The Gas-a-just uses two separate working chambers: an air-free hydraulic piston and valve area for responsiveness and control, and a high-pressure nitrogen gas area with a floating piston that supports a comfortable ride during normal driving while adding instant response on demand. Because the hydraulic unit is air-free, it resists the performance fade caused by aeration.
- Monotube adaptive design: automatically adjusts and responds to changing road conditions.
- Air-free hydraulic chamber: helps eliminate performance fade from aeration.
- High gas pressure: provides instant, extra control.
- Easy install: fits without additional kits or accessories, and is engineered to help vehicles with electronic safety systems (ESC, ABS, etc.).
Specifically calibrated to help restore the original handling and control characteristics of your Lexus GS350.
Interchange: 4853080633 · 4853080713 · 4853080759 · 4853080782
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicle does this shock fit?
It is a direct OE-replacement adaptive damper for the 2013-2020 Lexus GS350 equipped with adaptive dampers. See the Buyer's Guide tab to confirm your exact vehicle.
What position does this shock mount in?
This is a rear shock absorber. Check the Buyer's Guide and your vehicle to confirm quantity needed.
What type of shock is this?
It's a KYB Gas-a-just high-pressure monotube adaptive gas shock with an air-free hydraulic chamber and a nitrogen gas chamber with a floating piston.
Does it require extra kits to install?
No. KYB states it installs easily without any additional kits or accessories.
What are signs a shock absorber may need replacing?
Excessive bouncing, uneven or poor ride control, and fluid leakage can indicate a worn shock. Diagnose the cause before replacing, as other suspension parts may be involved.
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