KYB Suspension Strut P/N:551108

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$179.99

MPN: 551108

UPC: 781552587613

Item Package Quantity: 1

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KYB Suspension Strut P/N:551108

$179.99

Description

Shopping for a KYB strut to bring firm, controlled damping back to the rear of your Lexus? The KYB Gas-a-just Suspension Strut (P/N 551108) is a high-pressure monotube gas strut offered as an OE monotube replacement to help restore the vehicle's original capabilities. It mounts at the REAR of the 2006 Lexus GS300 and the 2007-2011 Lexus GS350, and KYB says the Gas-a-just helps restore the designed control and handling of the Lexus GS.

High-pressure monotube design: separates the gas and oil for fade-free operation and instant response.
Two working chambers: an air-free hydraulic piston and valve area for responsiveness and control, plus a high-pressure nitrogen gas chamber with a floating piston for a comfortable ride during normal driving and added performance on demand.
Triple chrome-plated piston rod: the ultra-smooth rod is designed to reduce seal wear, since fluid leaking can be a cause of strut failure; the higher gas pressure responds quickly to help improve steering response.
Built for demanding use: Gas-a-just monotubes are designed for vehicles that work, tow, and run larger, heavier tires and wheels, and help keep Electronic Safety Systems performing as designed.

Struts install as a left/right pair; replacing both rear units together is recommended for balanced handling.

Interchange: 4853080341 · 4853080342

Manufacturer's Description

Product Specs

Buyer's Guide

Interchange Part Numbers

This part cross-references / interchanges with the following part numbers:

4853080341, 4853080342

Frequently Asked Questions

What is the KYB Gas-a-just and how does it work?

It is a high-pressure monotube gas strut with two chambers: an air-free hydraulic piston and valve area for control, and a nitrogen gas chamber with a floating piston for ride comfort and response.

Which vehicles does P/N 551108 fit?

It is a rear strut for the 2006 Lexus GS300 and the 2007-2011 Lexus GS350. Check the Buyer's Guide tab to confirm fitment for your specific vehicle.

Where does this strut mount?

This KYB Gas-a-just strut is cataloged for the rear position on the listed Lexus GS applications.

What are the signs my strut may need replacing?

Common signs include fluid leaking from the unit, excessive bouncing, poor ride control, nose-dive under braking, or uneven tire wear. Diagnose the cause before replacing.

What interchange numbers does this replace?

It cross-references 4853080341 and 4853080342. Match the interchange number or your vehicle application to confirm the correct part.