The Eaton Thrust Washer, part number 129305, is a genuine differential component sold by Pro Gear and Transmission. Thrust washers serve as load-bearing spacers within differential assemblies, controlling axial play between rotating components. This part is also cross-referenced under the Allison Off Highway catalog as part number LY129305, making it traceable across multiple heavy-duty drivetrain service references. If you are sourcing this part for a differential rebuild or service job and need to verify it is the correct fit for your specific axle assembly, call us directly.
Features
Genuine Eaton differential thrust washer
Part number 129305, also cross-referenced as Allison Off Highway part number LY129305
Designed for axial load control within heavy-duty differential assemblies
Sold individually (unit of measure: each)
Call Pro Gear and Transmission to confirm proper fit for your differential application
