28432-883-T20 Friction Plate B - Overview. The 28432-883-T20 Friction Plate B is a critical component in Honda marine engine systems, specifically designed to support the clutch and engagement mechanisms. This friction plate plays a vital role in ensuring smooth operational transitions by managing the engagement and disengagement of the drive system, thereby maintaining the reliable function of your marine equipment. Crafted to precise OEM standards, it ensures seamless integration with existing