Notes: 129158-52090 CAP is original YANMAR product. 129158-52090 CAP4 is commonly used in transmissions/axles/engines 3TNE78A-HP, 4TNE88-ADCL, 4TNE88-AD, 3TNE78A-HP, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849