Notes: 138651 RUNG INNESTO BLOCC.DIFF. is original CARRARO product. 138651 RUNG INNESTO BLOCC.DIFF.5 is commonly used in transmissions/axles/engines 138111, 138116, 138117, 138202, 138203, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849