Notes: 138341 D20.35X6 FeP02 UNI 5866 is original CARRARO product. 138341 D20.35X6 FeP02 UNI 58665 is commonly used in transmissions/axles/engines 134998, 134998, 134998, 134998, 137394, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849