Notes: 129470-44450 COVER, B is original YANMAR product. 129470-44450 COVER, B5 is commonly used in transmissions/axles/engines 4TNE84MT-EK, 4TNV84T-BGYM, 4TNV84T-GKM, 4TNV84T-GMG, 4TNV88-BGKM, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849