Notes: 129636-42590 PULLEY ASSY, TENSION is original YANMAR product. 129636-42590 PULLEY ASSY, TENSION5 is commonly used in transmissions/axles/engines 3TNV76-XMR, 4TNV88-BGYR, 4TNV88-SND, 4TNV88-SND, 4TNV88-BGYR, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849