KYB 341263 Suspension Strut - Rear

KYB Excel-G Rear Strut for Lexus IS300

The KYB Excel-G 341263 is a rear suspension strut for 2001-2003 Lexus IS300 applications. Built to restore original ride control, it focuses on stability, steering response, and braking consistency rather than changing the vehicle’s factory tuning.

Key Features

• OE-style replacement choice for Asian vehicles
• Restores designed control and handling on Lexus IS300 rear suspension applications
• 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
• R-stop design included

Product Details

KYB Excel-G struts are built on the same OE assembly lines used for original equipment production and use OE-quality components calibrated to restore factory performance. For the Lexus IS300 rear suspension, part number 341263 is engineered to return the vehicle’s original ride control, lane-change response, and handling balance. This part cross-references Gabriel G51835 for the same application.

The Excel-G line is KYB’s Original Equipment for the Aftermarket offering, aimed at preserving the vehicle’s intended suspension behavior. If you are replacing a worn rear suspension strut on a 2001-2003 Lexus IS300, 341263 provides a direct-fit service part built around factory-style operation.

What It Helps Address

• Excessive rear-end bounce or oscillation
• Reduced stability during braking and lane changes
• Loose or inconsistent steering response from worn suspension damping
• Uneven tire contact caused by weak strut control
• Suspension noise or handling changes associated with worn strut components

Installation Notes and Tips

Fits 2001-2003 Lexus IS300, rear. Replace the suspension strut and coil spring assembly according to the manufacturer’s instructions. Verify all mounting points, alignment settings, and related suspension components before returning the vehicle to service. KYB also recommends a strut boot, part number SB103, to help protect the new strut from dirt, debris, and road salt.

Quality Assurance

KYB is a major OE supplier of shocks and struts, and the Excel-G line is manufactured using OE-quality components and factory-style calibration. Part number 341263 is built to restore original suspension performance for Lexus IS300 rear applications.