The Eaton Fuller Mainshaft Assembly, part number S-3057 or S3057, is a genuine OEM component for Eaton Fuller manual transmissions. The mainshaft is a core internal component of the transmission, carrying the main gear stack and transmitting torque through the drivetrain. This assembly is sold individually as a direct OEM replacement. Pro Gear and Transmission carries genuine Eaton Fuller transmission parts. Call us to confirm proper fit for your specific transmission model before ordering.
Features
Genuine Eaton Fuller OEM mainshaft assembly
Direct OEM replacement for Eaton Fuller manual transmissions
Part number S-3057 or S3057
Sold individually as a complete mainshaft assembly
Call to confirm compatibility with your specific transmission
