Notes: 132309 RING NUT M48X1.5 35 S Mn Pb 10 UNI 4838 is original CARRARO product. 132309 RING NUT M48X1.5 35 S Mn Pb 10 UNI 48384 is commonly used in transmissions/axles/engines 145768, 148501, 148501, 145768, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849