54mm Outboard Piston Kit 6E3 11631 00 98 Boat Motor Piston Assy for 4LN 4SN 5LN 5SN 4LK 4SK 5LK 5SK 1OE Number: The referencing OE number of this outboard piston set with ring is 6E3 11631 00 98, which is molded and designed depend on the original data. 2Fitment: The boat motor piston assy kit is a replacement for 4LN CRANKCASE CYLINDER PISTON 1984, for 4SN CRANKCASE CYLINDER PISTON 1984. 3Premium Material: Manufactured from durable metal alloys, it has anti corrosion and anti rust properties, ensuring overall high durability and stability. 4Improved Engine Efficiency: The outboard piston kit is designed to enhance engine efficiency and performance, contribute to better combustion, resulting in increased power and fuel efficiency. 5Ideal Replacement: Direct replacement installation, meets or exceeds OEM standards for the replacement of old and damaged one on original vehicles. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin