KYB 341268 Suspension Strut - Rear

KYB Excel-G Rear Strut for Lexus LS400

The KYB Excel-G 341268 is a rear suspension strut for 1990-1994 Lexus LS400 models without air suspension. Built on KYB OE assembly lines and calibrated to restore original ride control, it is a direct-fit replacement for drivers focused on stable handling, braking response, and consistent lane change behavior.

For Lexus LS400 rear suspension service, this KYB Excel-G strut is an OE-style replacement that follows the vehicle’s original damping characteristics rather than changing them. The 341268 part number is designed for the rear position and uses a nitrogen gas-charged, twin-tube design with vehicle-specific damping valves to help maintain tire contact and body control. KYB also notes that the Excel-G line is an Original Equipment for the Aftermarket choice for Asian vehicles.

Key Features

• Fits 1990-1994 Lexus LS400, rear, without air suspension
• KYB Excel-G 341268 restores original ride control and handling balance
• Nitrogen gas-charged, twin-tube suspension strut design
• Triple-lip fluid seal helps reduce oil and gas leakage
• Vehicle-specific, hand-assembled damping valves manage steering response and body movement
• Strong strut body and bracket design helps minimize flex and maintain alignment
• R-stop design is included in the strut construction

Detailed Description

KYB Excel-G 341268 is engineered for the rear suspension of the Lexus LS400 and is a practical choice when the goal is to restore factory-like ride quality and control. It is built to OE standards using the same type of components and assembly approach KYB supplies to new vehicle manufacturers. This makes it a strong fit for owners seeking predictable damping on a 1990-1994 Lexus LS400, rear, without air suspension.

The Excel-G line is tuned to support the vehicle’s original suspension behavior, including stopping stability, steering response, and body motion control. The part number 341268 is also referenced against Monroe Shocks & Struts 71318 for the same application.

What It Helps Address

• Excessive rear bounce or float after bumps
• Reduced stability during braking or lane changes
• Uneven tire contact caused by worn damping
• Loose or delayed rear suspension response
• Noise or vibration associated with aging strut performance

Installation Notes and Tips

Verify that the vehicle is a 1990-1994 Lexus LS400 with rear suspension and without air suspension before ordering. KYB recommends replacing the strut mount with SM5178 to reduce the chance of noise and vibration. Inspect related suspension components, alignment settings, and mounting points during service to help ensure proper operation after installation.

Quality Assurance

KYB is a major OE supplier of shocks and struts, and the Excel-G line is produced on KYB OE assembly lines using OE-quality components. The 341268 is calibrated to restore original designed performance for the Lexus LS400 rear suspension application.