Features: 1. Applicable Model: Replacement for M5B M4C M5BS, NS5B NS4C NS5BS. Confirm compatibility before purchasing to avoid unnecessary returns. 2. OE Number: Reference part number 369 00001 0. Confirm consistency with your required OE to prevent wrong purchases. 3. Durable Construction: Made of durable metal alloy, sturdy and rust-resistant, ensuring reliable performance in various conditions. 4. Easy Installation: Designed for refurbishing/replacing old/damaged pistons, easy to install with no excessive tools or complex steps. 5. Enhanced Performance: Better sealing capability for optimal performance, extending engine lifespan and smooth operation under demanding conditions. Specification: Item Type: Outboard Piston Kit Material: Metal Alloy OE Number: 369-00001-0 Piston Diameter: Approx. 55mm / 2.2in Fitment: Replacement for Mariner, Tohatsu Outboard Motor 4HP 5HP 2-Stroke Replacement for Tohatsu M5B - 2 Stroke Piston & Crank Shaft 2003 Fit for NS5B - 2 Stroke Piston & Crank Shaft 2003 Replacement for Tohatsu M4C - 2-stroke Piston & Crank Shaft 2003 Fit for NS4C - 2-stroke Piston & Crank Shaft 2003 Replacement for Tohatsu M5BS - 2-stroke Piston & Crank Shaft 2003 Fit for NS5BS - 2-stroke Piston & Crank Shaft 2003 Color: As shown in the picture Package List: 1 x Outboard Piston Kit (6pcs)