Notes: 129457-49801 THERMOSTAT, 82 is original YANMAR product. 129457-49801 THERMOSTAT, 825 is commonly used in transmissions/axles/engines 4TNV88-ZSTB, 4TNV88-ZSTB1, 4TNV88C-PTB, 4TNV88C-PTB1, 4TNV88-BPTBZT, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849