The Eaton Fuller Mainshaft Gear, part number 18438, is a genuine Eaton Fuller transmission component designed for heavy-duty applications. The mainshaft gear is a critical drivetrain part, responsible for transmitting torque through the transmission's main rotating assembly. Sourced directly as an Eaton Fuller OEM piece, this gear is identified by part number 18438. Pro Gear and Transmission carries hard-to-find Eaton Fuller transmission components. Call us to confirm this is the correct gear for your specific transmission model and configuration before ordering.
Interchanges:
- 67040
- EF67040
Features
Genuine Eaton Fuller OEM mainshaft gear
Part number 18438
Designed for heavy-duty truck transmission applications
Direct Eaton Fuller replacement component
Available from Pro Gear and Transmission
