The Eaton 401KS101X is a bearing and seal kit for differential service, cross-referenced to Navistar 1665329C91 and Mack 2104-401KS101X. The kit includes two pinion oil seals, four bearing cones, four bearing cups, and one bearing, all the core rotating and sealing components needed for a differential rebuild. It crosses to Dana Corporation part 401KS101X and Navistar 1665329, making it a fit for multiple OEM applications. Call us to confirm the kit covers your specific differential before ordering.
Features
Pinion oil seal x2 (OEM refs 1651281C91 and 1691143C2)
Bearing cone x2 (OEM ref 8235-72225C) plus cone x2 (OEM ref 495)
Bearing cup x2 (OEM ref 64AX42) plus cup x2 (OEM ref 64AX183)
Bearing x1 (OEM ref 8235-1228F552)
Cross-references: Navistar 1665329 / 1665329C91, Mack 2104-401KS101X / 4333-1665329C91, Dana 401KS101X
Sold as a single complete kit; genuine Eaton differential part
