Bring back factory-designed ride control on the front-right corner with the KYB Excel-G Suspension Strut 334399, a nitrogen gas-charged, twin-tube strut that installs as a direct-fit replacement for the 2004-2006 Lexus RX330, 2007-2009 Lexus RX350, 2006-2008 Lexus RX400H, and 2001-2007 Toyota Highlander. Excel-G is built on KYB's OE assembly lines using the same OE-quality components and is calibrated to restore a vehicle's original, designed performance — earning it the OEA (Original Equipment for the Aftermarket) classification.
- Nitrogen gas-charged twin-tube design: includes every quality component found in KYB's global OEM products.
- Strong, thick strut body and brackets: minimize flex to help maintain correct alignment in a wide range of conditions.
- Triple-lip fluid seal: designed to reduce the chance of oil and gas leaking out.
- Vehicle-specific, hand-assembled damping valves: manage tire contact, steering response, and body movement, helping electronic safety systems perform as designed.
To reduce the chance of noise and vibration, KYB recommends installing new strut mounts (part number SM5423), and protecting your new struts from dirt, debris, and salt with a KYB Strut Boot (part number SB102).
Interchange: G56731 · 72211 · 4851049565
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does the KYB 334399 strut fit?
It is a direct-fit replacement for the 2004-2006 Lexus RX330, 2007-2009 Lexus RX350, 2006-2008 Lexus RX400H, and 2001-2007 Toyota Highlander. See the Buyer's Guide tab to confirm the engine for your vehicle.
What position does this strut cover?
This strut is cataloged for the front right position on the listed applications.
What is the Excel-G OEA classification?
OEA means Original Equipment for the Aftermarket. Excel-G is made on KYB's OE assembly lines with OE-quality components and calibrated to restore original, designed performance rather than change it.
Should I replace the strut mount too?
To reduce the chance of noise and vibration, KYB recommends installing new strut mounts, part number SM5423, when fitting the new strut.
How does the triple-lip seal help?
The triple-lip fluid seal is designed to reduce the chance of oil and gas leaking out of the strut, helping the gas-charged twin-tube damper maintain its designed performance.
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