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Engines & Blocks
Cummins 681 (4B 3.9L) — Cummins 4BT 3.9L, Case 4T-390 Reman 2-Gear Internally Balanced Long Block
$5,23500
1
Only 1 left in stock.
Remanufactured
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Cummins 681 (4B 3.9L) — New Cummins 4B 4BT 3.9L B Series Diesel Long Block Engine
$4,99500
99+
999 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Reman Cummins 4B 4BT 3.9L B Series Diesel Long Block Engine (Non-storm Block)
$4,75000
99+
999 Available and in stock.
Remanufactured
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Cummins 681 (4B 3.9L) — Reman Cummins 4B 4BT 3.9L B Series Diesel Long Block Engine (Storm Block)
$4,75000
99+
999 Available and in stock.
Remanufactured
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Cummins 681 (4B 3.9L) — Cummins 4BT 3.9L, Case 4T-390 New Short Block with Cylinder Head
$4,00000
3
Only 3 left in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Cummins 4B, 4BT, 4BTA 3.9L Rebuildable Long Block Cores | Batch of Four (4)
$2,00000
99+
999 Available and in stock.
Parts Core
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Engine Kits
Cummins 681 (4B 3.9L) — Cummins 4B, 4BT, 4BTA 3.9L, Case 4-390, 4T-390, 4TA-390 New Long Block Kit
$5,86500
99+
999 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Cummins 4B, 4-390, 3.9L (Piston 6223, 6208, 6209) Out-of-Frame Engine Rebuild Kit
$58983
99+
999 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Cummins 4B, 4-390, 3.9L (Piston 6223, 6208, 6209) Inframe Engine Rebuild Kit
$46727
99+
999 Available and in stock.
New Aftermarket
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Crankshafts & Rods
Cummins 681 (4B 3.9L) — New Crankshaft for Cummins, Case 3907803
$71068
20
20 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Connecting Rod for Cummins 3901566
From
$2500
99+
112 Available and in stock.
A collection of different conditions, brands, or sizes
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Cummins 681 (4B 3.9L) — Connecting Rod Cap Bolt for Cummins, Case 3900919
$800
99+
358 Available and in stock.
New Aftermarket
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Cylinder Heads
Cummins 681 (4B 3.9L) — Reman Loaded Cylinder Head for Cummins, Case 3929736
$84000
5
Only 5 left in stock.
Remanufactured
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Cummins 681 (4B 3.9L) — New Loaded Cylinder Head for Cummins, Case 3929736
$80818
31
31 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Cylinder Head Bolt Set for Cummins, Case 3920779
$8457
99+
999 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — New Bare Cylinder Head for Cummins 3902343
$175
99+
103 Available and in stock.
New Aftermarket
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Camshafts & Balancers
Cummins 681 (4B 3.9L) — Camshaft for Cummins, Case 3925582
$20355
67
67 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Camshaft & Lifter for Cummins, Case 3925582
$18156
99+
999 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Camshaft Gear for Cummins 3907431
$12117
16
16 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Camshaft Thrust Plate for Cummins, Case 3927155
$1220
25
25 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Cummins 4B, 6B, Case 4-390, 6-590 New Pushrod | Replaces 3904679, J923262
$924
99+
251 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Valve Lifter for Cummins 3931623
$726
78
78 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Camshaft Plug Kit for Cummins 3926047
$577
99+
999 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Camshaft for Cummins 3902332
$302
67
67 Available and in stock.
New Aftermarket
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Cylinder Components
Cummins 681 (4B 3.9L) — Piston & Ring Kit for Cummins 3802060
From
$8675
99+
345 Available and in stock.
A collection of different conditions, brands, or sizes
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Cummins 681 (4B 3.9L) — Cylinder Repair Sleeve for Cummins, Komatsu 3904166
$2208
99+
305 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Piston Ring Set for Cummins 3802040
From
$1926
99+
511 Available and in stock.
A collection of different conditions, brands, or sizes
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Cummins 681 (4B 3.9L) — Piston Pin for Cummins 3934048
$1292
8
8 Available and in stock.
New Aftermarket
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Bearings & Bushings
Cummins 681 (4B 3.9L) — Cummins 4B, 6B, 6C, QSB, ISB, QSC Fan Drive Bearing | Replaces 3910739, J910739
$8150
8
8 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Main Bearing Set for Cummins, Case, Komatsu 3802010
From
$4681
99+
275 Available and in stock.
A collection of different conditions, brands, or sizes
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Cummins 681 (4B 3.9L) — Connecting Rod Bearing for Cummins 3969562
From
$1335
99+
637 Available and in stock.
A collection of different conditions, brands, or sizes
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Cummins 681 (4B 3.9L) — Connecting Rod Bearing for Cummins 3901170
From
$1175
99+
4617 Available and in stock.
A collection of different conditions, brands, or sizes
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Cummins 681 (4B 3.9L) — Piston Pin Bushing for Cummins 4891178
$1087
99+
1772 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Camshaft Bushing for Cummins, Case 3940059
From
$508
99+
2403 Available and in stock.
A collection of different conditions, brands, or sizes
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Gaskets & Seals
Cummins 681 (4B 3.9L) — Conversion Gasket Set for Cummins, Case 3802375
$8886
99+
136 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Cylinder Head Gasket Set for Cummins, Case 3804896
$8170
79
79 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Crankshaft Wear Sleeve for Cummins 3906081
$4651
37
37 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Rear Crankshaft Seal Kit for Cummins 3926126
$4610
99+
731 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Rear Crankshaft Seal for Cummins 3909411
$3746
17
17 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Expansion Plug Kit for Cummins 3900687
From
$3413
14
14 Available and in stock.
A collection of different conditions, brands, or sizes
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Cummins 681 (4B 3.9L) — Front Crankshaft Seal & Sleeve Kit for Cummins 3802820
$3200
99+
105 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Rear Crankshaft Seal for Cummins 4089342
$3195
12
12 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Crankshaft Wear Sleeve for Cummins 3906080
$3110
27
27 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Front Crankshaft Seal for Cummins 3900709
$2098
99+
189 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Oil Pan Gasket for Cummins, Case 3938162
$1125
99+
185 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Oil Cooler Gasket for Cummins 3926760
$993
3
Only 3 left in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Cummins 4B, 6B Oil Filter Head Seat Gasket | Replaces 3929792, J912532
$844
13
13 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Cummins 4B, 4BT, 4BTA, QSB Pushrod Cover Gasket | Replaces 3283767, J283767
$754
11
11 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Expansion Plug (2.288" / 58mm) for Cummins 3922072
$429
99+
412 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Valve Cover Gasket for Cummins 3930906
$423
99+
321 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Expansion Plug (Rear) for Cummins 3900687
$275
99+
133 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Oil Pan for Cummins 3902425
$116
99+
174 Available and in stock.
New Aftermarket
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Valve Hardware
Cummins 681 (4B 3.9L) — Valve Train Kit for Cummins, Case, Komatsu 3802356
$15969
99+
999 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Cummins 4B, 6B, Case 4-390, 6-590 New Valve Stem Cap | Replaces 3910412, J280911
$7363
0
Sorry, currently out of stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Rocker Arm Stand & Shaft for Cummins, Case 3910814
$5571
0
Sorry, currently out of stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Exhaust Rocker Arm for Cummins, Case 3910810
$2182
70
70 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Intake Rocker Arm for Cummins, Case 3910811
$2094
51
51 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Exhaust Valve for Cummins, Case 3802356
$1152
99+
175 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Intake Valve for Cummins, Case 3802355
$783
99+
148 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Valve Seat for Cummins 3925177
$609
14
14 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Valve Spring for Cummins, Case 3900276
$426
99+
408 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Valve Guide Repair Insert for Cummins 3906206
$418
55
55 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Valve Seat for Cummins 3904105
$357
69
69 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Valve Seat for Cummins RP401139
$341
16
16 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Valve Seat for Cummins RP401138
$325
19
19 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Exhaust Valve Guide for Cummins 3904409
$279
52
52 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Intake Valve Guide for Cummins 3904408
$276
30
30 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Valve Spring Retainer for Cummins 3900299
$274
99+
129 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Valve Seal for Cummins, Case 3901097
$119
95
95 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Valve Spring Lock for Cummins 3900250
$081
99+
845 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Valve Spring Locks for Cummins 3940123
$077
99+
650 Available and in stock.
New Aftermarket
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Timing & Gear Train
Cummins 681 (4B 3.9L) — Cummins 4B 3.9L, 6B 5.9L, QSB 5.9L, 6C 8.3L New Belt Tensioner | Replaces 3934817, J937553
$9177
52
52 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Injection Pump Drive Gear for Cummins 3936021, J920594
From
$7500
6
6 Available and in stock.
A collection of different conditions, brands, or sizes
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Cummins 681 (4B 3.9L) — Crankshaft Gear for Cummins 3929027
$6388
99+
127 Available and in stock.
New Aftermarket
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Fuel System
Cummins 681 (4B 3.9L) — Fuel Transfer Pump for Cummins, Case 4983584
$5375
16
16 Available and in stock.
New Aftermarket
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Lubrication System
Cummins 681 (4B 3.9L) — Oil Pump for Cummins, Case 3937027
$10314
67
67 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Cummins 4B 3.9L, 6B 5.9L New Oil Filter Head Seat | Replaces 3913967, 3918288
$8995
4
Only 4 left in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Piston Cooling Nozzle for Cummins 3901020
From
$052
70
70 Available and in stock.
A collection of different conditions, brands, or sizes
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Air System
Cummins 681 (4B 3.9L) — Used Intake Cover for Cummins 5259637
$3339
11
11 Available and in stock.
Used
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Cummins 681 (4B 3.9L) — Intake Manifold Gasket for Cummins, Case 3914028
$443
28
28 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Cummins 4B 3.9L, 6B 5.9L, ISB, QSB New Exhaust Manifold Bolt | Replaces 3901448, 3944593
$401
99+
1011 Available and in stock.
New Aftermarket
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Cooling System
Cummins 681 (4B 3.9L) — Oil Cooler for Cummins, Case 3957543
$9432
13
13 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Water Pump for Cummins, Case 3286277
$7825
45
45 Available and in stock.
New Aftermarket
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Cummins 681 (4B 3.9L) — Thermostat Kit for Cummins, Case 3802273
$2717
99+
144 Available and in stock.
New Aftermarket
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Drivetrain & Hydraulics
Cummins 681 (4B 3.9L) — Flywheel Ring Gear for Cummins 3973747
$29229
3
Only 3 left in stock.
New Aftermarket
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Sheet Metal & Housings
Cummins 681 (4B 3.9L) — Used Flywheel Housing for Cummins 3931714
$32500
1
Only 1 left in stock.
Used
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Cummins 681 (4B 3.9L) — Oil Pan (Front, Rear) for Cummins 3901049
From
$7874
22
22 Available and in stock.
A collection of different conditions, brands, or sizes
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