The Eaton Bearing Cup 28921, part number 258452C1, is a differential bearing cup sold individually. This cup carries multiple cross-reference numbers across major OEM lines: GMC Truck references 7451493, 9422227, and 9440794; Dana Corporation reference 550528; Mack references 4333-591672C1 and 4333-258452C1; and Navistar references 258452, 258452C1, 591672, and 591672C1. If you need to confirm this cup fits your specific differential assembly, call us and we can help verify the application before you order.
Features
Genuine Eaton differential bearing cup
Part number 258452C1, OEM number 28921
Sold as 1 individual cup
Cross-references GMC Truck: 7451493, 9422227, 9440794
Cross-references Dana 550528; Mack 4333-258452C1, 4333-591672C1
Cross-references Navistar 258452, 258452C1, 591672, 591672C1
