Compatible Model: Needle Valve Seat Assy for E40G E40J 40HP K40 40J 2 Stroke Outboard Engine Motor. Replace Part Number: Needle Valve Assy, replaces # 6F5-14390-20 6F5-14390-21 6F5-14390-12; please verify your part number matches before purchasing. High Quality Material: Carburetor Needle Valve Assy made of durable metal and plastic materials, practical and long-lasting. Easy to Install: Needle Valve Assembly installs without tools; no modifications required. High Performance: Needle Valve Seat Assembly designed with advanced manufacturing technology for reliable and efficient operation. Specifications: Material: Metal, Plastic. Size: 15mm / 0.59 inch. Package Includes: 1 x Needle Valve Seat Assy. Note: Slight measurement variations may occur due to manual measurement and display differences.