Notes: 129953-39500 ADAPTER, R-G1-2 is original YANMAR product. 129953-39500 ADAPTER, R-G1-25 is commonly used in transmissions/axles/engines 4TNE98-TBA, 4TNE98-TBZ, 4TNE98-TBA, 4TNE98-TBZ, 4TNV98-ZCWSHC, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849