Notes: 129052-77240 ALTERNATOR, 12V-55A is original YANMAR product. 129052-77240 ALTERNATOR, 12V-55A5 is commonly used in transmissions/axles/engines 3TNM68-AFF, 3TNM72-AFF, 3TNM72-ATE, 3TNV86CT-DMW, 4TNV86CT-DWZ, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849