Eaton Fuller Master Rebuild Kit K-3749 or K3749 is a complete manual transmission overhaul package that bundles the major wear items needed for a full teardown and reassembly. The kit includes a main drive gear, input shaft assembly, sliding clutches, range slave valve assembly, splitter cover assembly, low-speed and auxiliary direct synchronizer assemblies, front and rear main case countershaft bearings, reverse gear idler shaft bearings, tapered and ball bearings, gears, snap rings, washers, O-rings, air hose assemblies, a filter/regulator assembly, plus gasket, O-ring, shim, sleeve and actuator pin sub-kits and instruction sheet. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
Eaton Fuller part number K-3749 or K3749 master rebuilder kit
Includes main drive gear, input shaft assembly and multiple gears
Low-speed and auxiliary direct synchronizer assemblies
Front and rear main case countershaft bearings plus reverse idler shaft bearings
Air range components: range slave valve, splitter cover, filter/regulator and air hose assemblies
Gasket, O-ring, shim, sleeve, actuator pin and hex flange nut sub-kits with instruction sheet
Additional Information
K-3749 MASTER REBUILDER KIT
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Part Number Description Qty
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12815 BUSHING, CL REL SHAFT 4
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12845 ELBOW, ST, 1/8 X 90 DEG 2
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13653 O-RING 3
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13835 O-RING 2
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14373 DISC, MAGC 3
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14750 SNAP RING 1
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14897 SPRING 3
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15114 O-RING 2
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15918 SPRING, POS FINDER 3
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16980 SNAP RING 1
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19198 SNAP RING 2
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20225 O-RING 1
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20550 COVER, FRONT BRG 1
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20824 WASHER, CAP SCR SEALING 3
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21425 STRAP 1
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21426 BRACKET, HOSE STRAP 1
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21427 CLAMP, TRIPLE HOSE 1
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21428 CLAMP, TRIPLE HOSE 1
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4300382 WASHER 1
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4300902-BOX TAPERED ROLLER BRG 1
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4300912 SPACER, AUX M-SHAFT 1
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4301254 SNAP RING 1
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4301840 CLUTCH, SLG 1
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4301842 WASHER 1
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4301844 SLEEVE, BRG 1
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4301851-BOX BEARING 4
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4302047 SPACER, GEAR SPLINED 1
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4302082 SNAP RING 2
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4302398 WASHER 1
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4302666 GEAR 2
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4303336 RING, RETAINING 2
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4303424 SNAP RING 1
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4303603 WASHER 1
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4303666 GEAR 2
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4304023 PLUG, MAGO, 1-1/16 SPL 2
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4304510 GEAR, MAIN DRIVE 1
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4304514 GEAR 1
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4304602 BREATHER, 1/4 1
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4304615 KEY, M-SHAFT SPL 1
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4304722 WASHER 1
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4305575 YOKE, 3RD & 4TH 1
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4306647 SLIDING CLUTCH 1
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4308397 MAIN CASE COUNTERSHAFT BEARING -
FRONT 2
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4308398 MAIN CASE COUNTERSHAFT BEARING -
REA 2
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4308403 REVERSE GEAR IDLER SHAFT BEARING
2
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55509 HOSE ASSY, AIR 1
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55527 HOSE ASSY, AIR 1
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55528 HOSE ASSY, AIR 2
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5556503-BOX BEARING 1
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5566510-BOX BEARING 1
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5568529 O-RING 1
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5568534 O-RING 1
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5568542 O-RING 1
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71205 SEALANT 1
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71206 LUBRICANT, SILICONE 1
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81504 BALL BEARING 1
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84006 CONNECTOR, STR 2
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85003 CONNECTOR, ELL 2
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85541 DISC ASSY, CL BRAKE 1
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A-4740 FILTER/REG ASSY, AIR 1
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A-5000 VALVE ASSEMBLY, RANGE SLAVE 1
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A-6863 COVER ASSY, SPLITTER 1
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A-7254 SYNCHRONIZER ASSY, LOW S 1
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A-7331 SYNC ASSY, AUX DIRECT 1
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K-1969 SLEEVE KIT 1
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K-2805 SHIM KIT 1
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K-2918 OIL SEAL KIT ELEC. COVER 1
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K-3104 ACTUATOR PIN KIT 1
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K-3288 GASKET KIT 1
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K-3341 O-RING KIT 1
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K-4122 HEX FLANGE CRIMPED NUT KIT 1
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L-2013-05 LETTER, INSTRUCTION 1
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5-1659 INPUT SHAFT ASSY 1
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IX 7 1007 SCREW, 5/8 - 18 X 1-3/4 1
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1 X14 800 BALL, STEEL, 1/2 3
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