Notes: 129044-42290 V-BELT, A38.5 is original YANMAR product. 129044-42290 V-BELT, A38.55 is commonly used in transmissions/axles/engines 4TNV88-BPTBZ, 4TNV88-BPTBZT, 3TNV82A-BPTBZ, 3TNV82A-BSHY, 3TNV86CT-DMW, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849