The Eaton Fuller Mainshaft Gear, part number 4300064, is a direct-fit transmission gear for Fuller 11709, 12709, 13709, and 14709 Series transmissions. Cross-references include Mack 3088-4300064, Volvo 3133895, Navistar 1685674C1 or 1685674, and Mack 4333-1685674C1, making it a widely sourced component across multiple OEM lines. Sold individually by Pro Gear and Transmission as a genuine Eaton Fuller part. Call us to confirm proper fit for your specific transmission build.
Features
Genuine Eaton Fuller part number 4300064
Mainshaft gear for Fuller 11709, 12709, 13709, and 14709 Series transmissions
Cross-references to Mack 3088-4300064 and 4333-1685674C1
Also cross-references Volvo 3133895 and Navistar 1685674C1 or 1685674
Sold as a single unit
