Notes: 123951-77200 GENERATOR ASSY, 55A is original YANMAR product. 123951-77200 GENERATOR ASSY, 55A5 is commonly used in transmissions/axles/engines 4TNV98T-ZSTBW, 4TNV98-ZVHYB1, 4TNV106GGB1B, 4TNV106TGGB1, 4TNV106-GGB1B, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849