The Eaton Fuller K-1991 or K1991 Basic Overhaul Kit covers a full transmission rebuild with all the critical internal components in a single kit. Contents include multiple bearings (main case countershaft front bearings, reverse gear idler shaft bearings, input shaft bearing, and additional bearings), an input shaft assembly (S-1659), sliding clutch, synchronizer springs, snap rings, retainers, bushings, an insert valve, gaskets (via K-2061 Gasket Kit), o-rings (via K-2054 O-Ring Kit), an oil seal with slinger (K-2262), a shim kit (K-2805), sealant, and instruction letters. Call us to confirm proper fit for your application.
Interchanges:
- 65840
- EF65840
- FULLER K-1989
- NAVISTAR 1662758C91
- NAVISTAR 1662759C91
Features
Includes main case countershaft front bearings (qty 2), reverse gear idler shaft bearings (qty 2), and input shaft bearing
Input shaft assembly (S-1659) included
K-2054 O-Ring Kit, K-2061 Gasket Kit, and K-2262 Oil Seal with Slinger included
K-2805 Shim Kit included for proper bearing preload adjustment
Synchronizer springs (qty 3), sliding clutch, snap rings, and retainers included
