Feature: 1. STRONG COMPATIBILITY: This piston kit is a perfect fit for Tohatsu M40D, M40D2‑M50D2 2 Stroke 3Cylinder Engines, for Mercruiser 40HP 50HP outboard. 2. PART NUMBERS: Replacement part numbers are 3C8 00004 3, 3C8 00001 0 for reference. Ensure a proper fit and optimal performance with the kit. 3. HIGH PERFORMANCE: Designed specifically for 2 stroke outboard engines, this piston set delivers reliable power and efficient combustion. 4. DURABLE MATERIAL: Made with metal alloy materials, this piston set ensures durability and provides rust resistant properties for your outboard engines. 5. IDEAL REPLACEMENT: Designed to replace old and damaged pistons, providing more complete sealing performance and more powerful mechanical energy. Specification: Item Type: Piston KitMaterial: Metal alloy Replacement Part Number: 3C8 00004 3, 3C8 00001 0 Piston Diameter: Approx. 68mm/2.67in Installation Type: Direct Replacement for Original Part Applicable Models: Replacement for Tohatsu M40D, M50D M40D2-M50D2 2 Stroke 3 Cylinder Outboard Engines Replacement for Mercruiser 40HP 50HP Outboard 40HP (Serial No: 0N000001 Later) 50HP (Serial No: 0N051023 Later) 3 Cylinder (Lightning, International). Package List: 1 x Piston Kit (6PCS) Note: 1. Please verify the part number and model before purchasing to ensure compatibility. 2. If you are not a professional, it is recommended to seek the assistance of a professional mechanic to ensure the best shopping experience and installation.