Notes: 129601-21000 CRANKSHAFT ASSY is original YANMAR product. 129601-21000 CRANKSHAFT ASSY4 is commonly used in transmissions/axles/engines 4TNV88-KIR, 4IRH8N-1, 4TNV88-PIR, 4IRH8N-2, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849