Notes: 129558-39640 LO-T,T/C RETURN is original YANMAR product. 129558-39640 LO-T,T/C RETURN2 is commonly used in transmissions/axles/engines 4TNV84T-KAT, 4TNV84T-KAT, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849