The Dana Spicer 3900401 is a disengage cap serving the drive shaft assembly in heavy-duty driveline systems. Catalogued under Dana's DDL driveline line, this cap is the correct OEM part number for applications requiring a Dana-specified disengage cap at the drive shaft. If you are sourcing this part for a specific truck or driveline configuration, call Pro Gear and Transmission to confirm proper fit before ordering.
Interchanges:
- SI3900401
Features
Genuine Dana Spicer DDL driveline component
Part number 3900401
Drive shaft disengage cap application
Sold as an individual unit (each)
Available through Pro Gear and Transmission
