The Eaton Fuller mainshaft gear, part number 21587, is a genuine transmission component for Fuller-equipped heavy-duty trucks. Pro Gear and Transmission sells this as a single unit. If you need to confirm whether this gear matches your specific transmission model or ratio configuration, give us a call before ordering.
Interchanges:
- 61970
- EF61970
- NAVISTAR 1668122C1
Features
Eaton Fuller OEM part number 21587
Mainshaft gear for Fuller heavy-duty transmissions
Sold as a single unit
Call to confirm fitment for your specific transmission model
Used in these Eaton Fuller models
