Wide Compatibility: This Voltage Regulator Rectifier is designed to fit a variety of models, please refer to the list for referenceMaterial: Made from metal materials, this Voltage Regulator Rectifier ensures long term performance and reliability in various operating conditionsSize: With dimensions of 4.92inchx4.53inchx1.65inch, this Regulator Rectifier is designed for an accurate fit in compatible machinery, ensuring seamless integration without the need for modificationsReplacement Part Number: RP201-53710, 15351-64600, 15351-64601,15351-64603,15531-64601,15531-64603Function: Ideal for maintaining optimal electrical performance in your equipment by regulating voltage levels effectively to prevent overcharging or undercharging issues Specification: 12.5cmx11.5cmx4.2cm/4.92inchx4.53inchx1.65inch Size Chart: Applications:for Kubota ZD18 ZD21 ZD25 K008 K008-3 KH007 KH35 KH41 KH61 1822D 718D 721D 721Gfor Kubota RTV500 Utility Vehicle, Cub Cadet KB-19267-64600 KB-RP201-53710for Grasshopper 185530 RS5155for Kokusan Denki RS5101 RS5102 RS5102Afor Perkins Engine 185516060for Yanmar 186D 1983for Yanmar Tractor YM122 YM126 YM140 YM142 YM146 YM180 YM186 YM187 YM220 YM226 YM1601for Yanmar 121450-77710 121450-77711 121450-77790 121520-77710 121522-77790 Package Includes: 1Voltage Regulator Rectifier Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.