Notes: 129017-77020 SWITCH ASSY, MAGNET is original YANMAR product. 129017-77020 SWITCH ASSY, MAGNET4 is commonly used in transmissions/axles/engines 4TNV88C-P7CFV, 4D88E-7PCFV, 4TNV88C-P7CDV, 4D88E-7PCDV, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849