Notes: 124250-77120 SCREW SET, PORE CORE is original YANMAR product. 124250-77120 SCREW SET, PORE CORE2 is commonly used in transmissions/axles/engines 4TNE88-DGD, 4TNE88-DGD, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849