KYB 339100 Suspension Strut - Front Right

KYB Excel-G Front Right Strut for Toyota Sienna

KYB Excel-G part number 339100 is a suspension strut built to restore original ride control, stability, braking response, lane-change behavior, and handling. It is a direct-fit OE-style replacement for the front right position on select Toyota Sienna models.

The Excel-G line is KYB’s OE replacement product line, built on the same assembly lines and with OE-quality components used for original equipment applications. This strut is calibrated to return the vehicle to its designed damping characteristics rather than alter the factory ride.

Key Features

• Fits 2007-2010 Toyota Sienna, front right
• Part number 339100
• Nitrogen gas-charged twin-tube suspension strut
• Vehicle-specific, hand-assembled damping valves for controlled tire contact and body motion
• Triple-lip fluid seal to reduce oil and gas leakage
• Strong strut body and bracket design to help maintain alignment under load
• Made in USA
• R-stop design included
• Upper mount type: 14X1.50

Detailed Description

KYB 339100 is engineered for the Toyota Sienna front right suspension position on 2007-2010 models with 7-passenger seating. As part of the Excel-G line, it is intended to restore the factory ride characteristics that affect steering response, braking stability, and overall vehicle control. For drivers searching for a Toyota Sienna front right strut replacement, this OE-style unit provides a direct service solution that follows the original design intent.

This part cross-references Monroe Shocks & Struts 72363 for the same application. It also cross-references Toyota 48510A9690 for the same application.

Common Issues This Strut Can Address

• Excessive bouncing or poor damping at the front right corner
• Reduced steering response during lane changes and turns
• Front-end instability under braking or uneven road surfaces
• Noise or vibration related to worn suspension damping components
• Loss of factory ride control on a Toyota Sienna

Installation Notes and Tips

Verify fitment by year, model, position, and seating configuration before installation. For reduced noise and vibration, KYB recommends replacing the strut mount with SM5423 at the same time. Inspect related suspension components, alignment settings, and tire condition after installation to confirm proper operation.

Quality Assurance

KYB is a major OE supplier to vehicle manufacturers, and the Excel-G line is built to OE standards on KYB production lines using OE-quality components. The design focuses on restoring original suspension performance for the 2007-2010 Toyota Sienna front right application.