Notes: 129642-13530 SILENCER is original YANMAR product. 129642-13530 SILENCER5 is commonly used in transmissions/axles/engines 4TNV88-ZSTB1, 4TNV88-ZSTB, 4TNV88-BPTBT, 4TNV88-BPTB1, 4TNV88-BPTB1T, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849