The Dana 1120400104 is a genuine differential housing, also cross-referenced as CNH 87401202 and 87401203. This robust component is designed for Dana Spicer axles commonly found in New Holland T7 series, Case IH Puma series, and Steyr Profi and Terrus CVT tractors. It ensures the proper protection and function of the differential assembly, contributing to the reliability and longevity of the axle system in heavy-duty agricultural applications.