KYB 341143 Suspension Strut - Front

KYB Excel-G Front Strut for Mazda Miata

The KYB Excel-G 341143 is a front suspension strut for 1990-1997 Mazda Miata models. It is calibrated to restore original ride control, steering response, and handling balance for drivers who want OE-style performance from a direct replacement part.

Built on KYB OE production lines, the Excel-G line focuses on returning the vehicle to its designed suspension behavior rather than changing it. For Mazda Miata front strut replacement, 341143 is a practical choice when the goal is stable control, consistent damping, and proper suspension geometry.

Key Features

• OE-style replacement for Asian performance vehicles
• Restores designed control and handling for the Mazda Miata
• 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
• Compatible with electronic safety systems that rely on suspension performance staying within factory intent
• Cross-reference: Monroe Shocks & Struts 71285

Product Details

KYB Excel-G part number 341143 is engineered as an Original Equipment for the Aftermarket replacement for the front position on the Mazda Miata. It uses OE-quality components and KYB’s twin-tube gas-charged design to support predictable damping across everyday driving conditions. This front strut is a direct fit for 1990-1997 Mazda Miata applications listed in the fitment data, including front suspension service where restoring factory ride control is the priority.

Fits 1990-1997 Mazda Miata, front. This part cross-references Monroe Shocks & Struts 71285 for the same application.

Common Problems This Strut Can Address

• Excessive bouncing after bumps or dips
• Loose or delayed steering response
• Uneven tire contact caused by worn damping control
• Body movement that feels unstable during lane changes
• Noise or vibration related to worn front suspension components

Installation Notes

Replace the suspension strut and coil spring assembly according to the manufacturer’s instructions. For reduced noise and vibration, KYB recommends new strut mounts, part number SM5077. To help protect the new strut from dirt, debris, and salt, KYB recommends a strut boot, part number SB108.

Fitment: 1990-1997 Mazda Miata, front. Part number 341143 is intended for the front suspension position shown in the fitment data.

Quality Assurance

KYB is a major OE supplier of shocks and struts, and the Excel-G line is produced on the same KYB assembly lines used for original equipment applications. The design uses OE-quality components and factory-style calibration to restore original suspension performance for the Mazda Miata.