The Eaton Fuller K-3723 or K3723 is a Master Rebuilder Kit for Eaton Fuller manual transmissions. The kit ships as a single unit and contains over 55 individual components sourced directly from Eaton Fuller, covering the full scope of a transmission rebuild. Contents include main case countershaft bearings (x4), reverse gear idler shaft bearings (x2), input shaft bearing, additional bearings, main drive gear, mainshaft gear, countershaft gears (x2), sliding clutch, low-range synchronizer assembly, auxiliary direct synchronizer assembly, front bearing cover, shim kit K-2805, gasket kit K-2921, hex flange crimped nut kit K-4122, input shaft assembly S-2822, multiple snap rings, O-rings, springs, washers, spacers, oil seal, slinger, silicone lubricant, and an instruction letter. Call us to confirm proper fit for your specific transmission model.
Features
Genuine Eaton Fuller Master Rebuilder Kit, part number K-3723 or K3723
Includes 4 main case countershaft bearings, 2 reverse gear idler shaft bearings, and 1 input shaft bearing
Covers synchronizer assemblies: low-range (A-7254) and auxiliary direct (A-7331)
Includes sub-kits: shim kit K-2805, gasket kit K-2921, and hex flange crimped nut kit K-4122
Contains input shaft assembly S-2822, main drive gear, mainshaft gear, sliding clutch, front bearing cover, oil seal, and silicone lubricant
Instruction letter L-2013-07 included for assembly reference
