KYB 334311 Suspension Strut - Rear Left

KYB Excel-G Rear Left Strut for Toyota MR2 Spyder

The KYB Excel-G 334311 is a rear left suspension strut for 2000-2005 Toyota MR2 Spyder models. It is built to restore original ride control, stability, lane-change response, and handling without changing the vehicle’s designed suspension behavior.

Made on KYB OE assembly lines, the Excel-G line uses OE-quality components and a nitrogen gas-charged twin-tube design. For Toyota MR2 Spyder rear left suspension service, part number 334311 is a direct-fit replacement focused on factory-style control.

Key Features

• Fits 2000-2005 Toyota MR2 Spyder, rear left
• OE-style replacement for Asian performance vehicles
• Restores designed control and handling for the Toyota MR2 Spyder
• 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, steering response, and body movement
• Strong strut body and bracket design helps minimize flex and maintain alignment
• Made in USA
• R-stop design included

Product Details

KYB Excel-G 334311 is engineered as an Original Equipment for the Aftermarket replacement for the rear left position on the Toyota MR2 Spyder. It is calibrated to return the suspension to the vehicle’s original performance balance, which is important for braking stability, cornering response, and electronic safety systems that rely on proper suspension behavior. This part cross-references Monroe Shocks & Struts 72503 for the same application.

Dimensions include a compressed length of 13.77 inches, extended length of 20.07 inches, and stroke length of 6.3 inches. The upper mount type is 14X1.50. Part number 334311 is also referenced by Toyota OE number 4854017220.

Common Problems This Strut Can Address

• Excessive bouncing or poor damping at the rear left corner
• Reduced stability during braking or lane changes
• Loose or inconsistent steering response from worn suspension control
• Uneven tire contact caused by weakened strut performance
• Suspension noise or fluid leakage from a worn strut assembly

Installation Notes

Fits 2000-2005 Toyota MR2 Spyder, rear left. Replace the suspension strut and coil spring assembly according to the manufacturer’s instructions. Verify the upper mount thread specification and confirm suspension alignment after installation. Part number 334311 is intended for the listed rear left application only.

Quality Assurance

KYB is a major OE supplier, and the Excel-G line is produced on the same KYB assembly lines used for original equipment manufacturing. The design uses OE-quality components and factory-style calibration to restore original suspension performance for the Toyota MR2 Spyder.