Notes: 123907-13100 MANIFOLD, EXHAUST is original YANMAR product. 123907-13100 MANIFOLD, EXHAUST4 is commonly used in transmissions/axles/engines 4TNV106-GGL6, 4TNV106-NTB, 4TNV106-NTB, 4TNV106-GGL6, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849