Restore the designed ride control and handling of your Lexus RX350 with the KYB Excel-G Suspension Strut 339245, a nitrogen gas-charged, twin-tube strut that drops in as a rear left replacement for the 2008-2009 Lexus RX350. Excel-G is built on KYB's OE assembly lines using the same OE-quality components and is calibrated to restore original, designed performance rather than change it — the reason KYB classifies it as OEA (Original Equipment for the Aftermarket).
- OE-level damping: Vehicle-specific, hand-assembled in-house damping valves manage tire contact, steering response, and body movement.
- Triple-lip fluid seal: Helps reduce the chance of oil and gas leaking out.
- Strong strut body: KYB uses thick strut bodies and brackets to minimize flex and help maintain correct alignment in all conditions.
- Supports safety systems: Helps keep electronic safety systems performing as designed, since they depend on the suspension working as the manufacturer intended.
Made in USA. KYB recommends installing new strut mounts (part number SM5492) to reduce the chance of noise and vibration, and protecting your new strut from dirt, debris, and salt with a KYB Strut Boot (part number SB104). #1 recommended Original Equipment replacement choice for Asian SUVs and Crossovers.
Interchange: G56732 · 4854049475 · 48540A9330 · 72773
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicle does the KYB 339245 strut fit?
It is a rear left suspension strut for the 2008-2009 Lexus RX350. Check the Buyer's Guide tab to confirm the fit for your specific vehicle.
What is the Excel-G design?
The Excel-G is a nitrogen gas-charged, twin-tube strut built on KYB's OE assembly lines with OE-quality components, calibrated to restore the vehicle's original designed performance.
Should I replace both struts at the same time?
KYB struts wear over time, so replacing them as a matched pair on the same axle helps keep ride control and handling balanced. This listing is for one strut.
Does this strut include a strut mount?
The listing is for the strut. KYB recommends installing new strut mounts (part number SM5492) to reduce the chance of noise and vibration.
How can I protect my new strut?
KYB recommends a KYB Strut Boot (part number SB104) to protect the strut from dirt, debris, and salt.
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