The Eaton Fuller mainshaft first speed gear, part number 21024, is the direct OEM replacement for Fuller 11609 Series manual transmissions. This is the mainshaft, first speed position gear, a critical drivetrain component in heavy-duty truck gearboxes. Call us to confirm proper fit for your specific transmission build before ordering.
Interchanges:
- 21024-SP
- 35530249
- 4300240
- 62630
- 62630HP
- EF62630
- EF62630HP
- S-7885
- FULLER 19628
- NAVISTAR 591872C1
- NAVISTAR 591872C2
Features
Mainshaft first speed gear for Fuller 11609 Series transmissions
Direct OEM Eaton Fuller part number 21024
Sold individually as a single unit
Genuine Eaton Fuller part sold by Pro Gear and Transmission
Used in 55 Eaton Fuller models
