The Eaton Fuller K-3702 or K3702 is a Master Rebuilder Kit for Eaton Fuller manual transmissions. This kit covers a comprehensive overhaul, supplying over 70 individual components in a single order. Contents include tapered roller bearings, ball bearings, countershaft bearings (front, part 4308397), a reverse gear idler shaft bearing (4308403), an input shaft bearing (4308451), a main drive gear (4305904), countershaft gears (4305661), a range slave valve assembly (A-5000), a low-range synchronizer assembly (A-7254), an auxiliary direct synchronizer assembly (A-7331), a full gasket kit (K-2199), an O-ring kit (K-1447), clutch release shaft bushings, snap rings, springs, washers, air hose assemblies, and an instruction letter. Also referenced as HFK-3702. Call us to confirm proper fit for your transmission before ordering.
Input Shaft Assembly S-1659 x1
Main Drive Gear 4305904 x1
Countershaft Gears 4305661 x2
Main Case Countershaft Bearing - Front 4308397 x2
Reverse Gear Idler Shaft Bearing 4308403 x2
Input Shaft Bearing 4308451 x1
Low Range Synchronizer Assembly A-7254 x1
Aux Direct Synchronizer Assembly A-7331 x1
Range Slave Valve Assembly A-5000 x1
Air Filter/Regulator Assembly A-4740 x1
Air Hose Assembly 55508 x1, 55518 x1, 55527 x1
O-Ring Kit K-1447 x1
Gasket Kit K-2199 x1
Clutch Release Shaft Bushings (12815) x4
Snap Rings (multiple part numbers) - various quantities
Ball Bearings 81566 x2
Roller Bearing, Tapered 15260 x1
Sliding Clutch 4306647 x1
Range M-Shaft Key Assembly A-3697 x1
Instruction Letter L-2013-03 x1
Alternate part reference: HFK-3702
Features
Includes input shaft assembly (S-1659) and main drive gear (4305904)
Covers range and auxiliary synchronizer assemblies: A-7254 (low range) and A-7331 (aux direct)
Range slave valve assembly (A-5000), air filter/regulator assembly (A-4740), and three air hose assemblies included
Full O-ring kit (K-1447) and gasket kit (K-2199) bundled in
Main case countershaft front bearings (4308397 x2) and reverse idler shaft bearings (4308403 x2) included
Also referenced as HFK-3702; instruction letter (L-2013-03) included in kit
Additional Information
Kit K-3702 Bill of Materials (selected major components):Input Shaft Assembly S-1659 x1
Main Drive Gear 4305904 x1
Countershaft Gears 4305661 x2
Main Case Countershaft Bearing - Front 4308397 x2
Reverse Gear Idler Shaft Bearing 4308403 x2
Input Shaft Bearing 4308451 x1
Low Range Synchronizer Assembly A-7254 x1
Aux Direct Synchronizer Assembly A-7331 x1
Range Slave Valve Assembly A-5000 x1
Air Filter/Regulator Assembly A-4740 x1
Air Hose Assembly 55508 x1, 55518 x1, 55527 x1
O-Ring Kit K-1447 x1
Gasket Kit K-2199 x1
Clutch Release Shaft Bushings (12815) x4
Snap Rings (multiple part numbers) - various quantities
Ball Bearings 81566 x2
Roller Bearing, Tapered 15260 x1
Sliding Clutch 4306647 x1
Range M-Shaft Key Assembly A-3697 x1
Instruction Letter L-2013-03 x1
Alternate part reference: HFK-3702
