The Eaton Fuller Mainshaft Range Coupler, part number 4303859, is a direct OEM replacement for the range section of Eaton Fuller manual transmissions. This coupler connects the mainshaft to the range assembly, enabling the high/low range shift function that is central to multi-speed heavy-duty gearboxes. Sold individually as a genuine Eaton Fuller component from Pro Gear and Transmission. Not sure this is the right coupler for your transmission? Give us a call to confirm proper fit.
Interchanges:
- 19131
- 35540125
- 4303859-SP
- SA938
- SAS-4303859
- ZBF4303859
Features
Genuine Eaton Fuller OEM mainshaft range coupler
Directly replaces the range-section coupling in Eaton Fuller multi-speed manual transmissions
Sold as a single unit (each)
Available from Pro Gear and Transmission
Used in these Eaton Fuller models
