KYB 339129 Suspension Strut - Front Left

KYB Excel-G Front Left Strut for Scion tC

Restore factory ride control on your Scion tC with the KYB Excel-G suspension strut, part number 339129. This front left strut is built to return the vehicle’s original handling balance, steering response, and stability for daily driving and highway use.

Key Features

• OE-style replacement for Asian performance vehicles
• Restores designed control and handling on the Scion tC
• Nitrogen gas-charged, twin-tube construction
• Triple-lip fluid seal helps reduce oil and gas leakage
• Vehicle-specific, hand-assembled damping valves manage tire contact and body motion
• Strong strut body and bracket design helps minimize flex and maintain alignment
• Made in USA
• Electronic safety systems rely on suspension performance that matches the vehicle maker’s original setup

Product Details

The KYB Excel-G line is engineered as an Original Equipment for the Aftermarket solution, using OE-quality components and calibration focused on restoring original performance rather than changing it. For 2005-2010 Scion tC front left applications, part number 339129 is designed to help bring back predictable ride control, lane-change response, and braking stability. This part cross-references Monroe Shocks & Struts 72391 for the same application.

Compatible With 2005-2010 Scion tC, front left. The listed fitment notes specify replacement of the suspension strut and coil spring assembly according to manufacturer instructions, and the Excel-G designation applies to this application.

What It Helps Address

• Excessive bouncing or float after bumps
• Loose steering feel or delayed response
• Uneven tire contact caused by worn damping
• Nose dive and body movement during braking or cornering
• Reduced suspension control from a worn front left strut

Installation Notes and Tips

Fits 2005-2010 Scion tC, front left. Follow the vehicle manufacturer’s instructions when replacing the suspension strut and coil spring assembly. Verify upper mount thread size 14x1.50 and confirm dimensions before installation: compressed length 13.62 in., extended length 20.59 in., and stroke length 6.97 in. For added protection against dirt, debris, and salt, KYB recommends strut boot SB102.

Quality Assurance

KYB supplies shocks and struts to new vehicle manufacturers, and the Excel-G line is assembled on the same OE production lines using OE-quality components. The design focus is restoring original ride control and handling characteristics for the Scion tC, part number 339129.