Notes: 123900-01340 GASKET, HEAD is original YANMAR product. 123900-01340 GASKET, HEAD5 is commonly used in transmissions/axles/engines 4TNE106-AMM, 4TNE106-AMM, 4TNE106-TB, 4TNE106-TB, 4TNE106T-GE, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849