Notes: 129155-51750 COVER is original YANMAR product. 129155-51750 COVER5 is commonly used in transmissions/axles/engines 3TNE78A-EHP, 3TNE78A-HP, 3TNE78A-KG2, 3TNE78A-MG, 3TNE82A-AF, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849