Notes: 140249 SPACER 109.9X75.5X25 is original CARRARO product. 140249 SPACER 109.9X75.5X255 is commonly used in transmissions/axles/engines 140247, 140491, 144514, 144515, 145108, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849