Notes: 129642-77310 ADJUSTER is original YANMAR product. 129642-77310 ADJUSTER5 is commonly used in transmissions/axles/engines 4TNV88C-PYB, 4TNV88C-PYBU, 4TNV88C-PTB1, 4TNV88C-PTB, 4TNV88-BXYB1, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849