Notes: 113879 DISC BLOCC.DIFF.-FRICTION DISC is original CARRARO product. 113879 DISC BLOCC.DIFF.-FRICTION DISC5 is commonly used in transmissions/axles/engines 132755, 133580, 133705, 134055, 134056, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849