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Engines & Blocks

fits Cummins
Cummins 6C, 6CT, 6CTA 8.3L, Case 6-830, 6T-830, 6TA-830 New Dual Thermostat Long Block

Cummins 1539 (6CTA 8.3L) — Cummins 6C, 6CT, 6CTA 8.3L, Case 6-830, 6T-830, 6TA-830 New Dual Thermostat Long Block

$9,99500
99+ 999 Available and in stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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fits Cummins
Cummins 6C, 6CT, 6CTA 8.3L, Case 6-830, 6T-830, 6TA-830 New Single Thermostat Long Block

Cummins 1539 (6CTA 8.3L) — Cummins 6C, 6CT, 6CTA 8.3L, Case 6-830, 6T-830, 6TA-830 New Single Thermostat Long Block

$9,99500
99+ 999 Available and in stock.
New Aftermarket
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fits Cummins
Cummins 6CT 8.3L Complete Fair Running Used Engine

Cummins 1539 (6CTA 8.3L) — Cummins 6CT 8.3L Complete Fair Running Used Engine

$4,29500
1 Only 1 left in stock.
Fair Running Used Engine
OE CUMMINS Cummins original equipment parts
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fits Cummins
Cylinder Block for Cummins 3971411

Cummins 1539 (6CTA 8.3L) — Cylinder Block for Cummins 3971411

$2,58300
14 14 Available and in stock.
New Aftermarket
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fits Cummins
Cylinder Block for Cummins 3939313

Cummins 1539 (6CTA 8.3L) — Cylinder Block for Cummins 3939313

$2,05500
2 Only 2 left in stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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Cummins QSC 8.3L Diesel Pressure Regulator Plunger, 3945967

Cummins 1539 (6CTA 8.3L) — Cummins QSC 8.3L Diesel Pressure Regulator Plunger, 3945967

$3017
23 23 Available and in stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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Engine Kits

Cummins 6C, 6CT, 6CTA 8.3L, Case 6-830, 6T-830, 6TA-830 New Dual Thermostat Long Block Kit

Cummins 1539 (6CTA 8.3L) — Cummins 6C, 6CT, 6CTA 8.3L, Case 6-830, 6T-830, 6TA-830 New Dual Thermostat Long Block Kit

$10,64200
99+ 999 Available and in stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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Cummins 6C, 6CT, 6CTA 8.3L, Case 6-830, 6T-830, 6TA-830 New Single Thermostat Long Block Kit

Cummins 1539 (6CTA 8.3L) — Cummins 6C, 6CT, 6CTA 8.3L, Case 6-830, 6T-830, 6TA-830 New Single Thermostat Long Block Kit

$9,99600
99+ 999 Available and in stock.
New Aftermarket
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fits Cummins
Free Shipping
Cummins 6CTA, 6TA-830, 8.3L (Piston 3164, 8750, 9565, 9930) Out-of-Frame Engine Rebuild Kit

Cummins 1539 (6CTA 8.3L) — Cummins 6CTA, 6TA-830, 8.3L (Piston 3164, 8750, 9565, 9930) Out-of-Frame Engine Rebuild Kit

$1,27500
99+ 999 Available and in stock.
New Aftermarket
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fits Cummins
Free Shipping
Cummins 6CTA, 6TA-830, 8.3L (Piston 3164, 8750, 9565, 9930) Inframe Engine Rebuild Kit

Cummins 1539 (6CTA 8.3L) — Cummins 6CTA, 6TA-830, 8.3L (Piston 3164, 8750, 9565, 9930) Inframe Engine Rebuild Kit

$1,14072
99+ 999 Available and in stock.
New Aftermarket
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fits Cummins
Cummins 6C, 6CT, 6CTA, 6CTAA, 8.3L Underhaul Engine Kit

Cummins 1539 (6CTA 8.3L) — Cummins 6C, 6CT, 6CTA, 6CTAA, 8.3L Underhaul Engine Kit

$54084
99+ 999 Available and in stock.
New Aftermarket
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Crankshafts & Rods

New Crankshaft for Cummins 3917320

Cummins 1539 (6CTA 8.3L) — New Crankshaft for Cummins 3917320

$1,06600
9 9 Available and in stock.
New Aftermarket
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Cummins 6C8.3 Diesel Vibration Damper (3925560)

Cummins 1539 (6CTA 8.3L) — Fits Cummins 6C Vibration Damper 3925568

$18491
27 27 Available and in stock.
New Aftermarket
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Connecting Rod Cap Bolt for Cummins 3928870

Cummins 1539 (6CTA 8.3L) — Connecting Rod Cap Bolt for Cummins 3928870

$788
99+ 197 Available and in stock.
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Connecting Rod Cap Bolt for Cummins 3901381

Cummins 1539 (6CTA 8.3L) — Connecting Rod Cap Bolt for Cummins 3901381

$305
0 Sorry, currently out of stock.
New Aftermarket
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Cylinder Heads

fits Cummins
Cylinder Head Bolt Set for Cummins 3907234

Cummins 1539 (6CTA 8.3L) — Cylinder Head Bolt Set for Cummins 3907234

$23804
99+ 999 Available and in stock.
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Cylinder Head Bolt Set for Cummins, Case 3917729

Cummins 1539 (6CTA 8.3L) — Cylinder Head Bolt Set for Cummins, Case 3917729

$17454
99+ 999 Available and in stock.
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Camshafts & Balancers

Cummins 6C 8.3L Diesel, Cam & Lifter Kit, 3924471

Cummins 1539 (6CTA 8.3L) — Cummins 6C 8.3L Diesel, Cam & Lifter Kit, 3924471

$42894
99+ 999 Available and in stock.
New Aftermarket
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Camshaft for Cummins RP531111

Cummins 1539 (6CTA 8.3L) — Camshaft for Cummins RP531111

$33387
6 6 Available and in stock.
New Aftermarket
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Camshaft Gear for Cummins 3918777

Cummins 1539 (6CTA 8.3L) — Camshaft Gear for Cummins 3918777

$28487
20 20 Available and in stock.
New Aftermarket
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Camshaft Thrust Plate for Cummins, Case 3927155

Cummins 1539 (6CTA 8.3L) — Camshaft Thrust Plate for Cummins, Case 3927155

$1220
25 25 Available and in stock.
New Aftermarket
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Valve Lifter for Cummins 3931623

Cummins 1539 (6CTA 8.3L) — Valve Lifter for Cummins 3931623

$726
78 78 Available and in stock.
New Aftermarket
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Camshaft Plug for Case, International, Cummins 3901969

Cummins 1539 (6CTA 8.3L) — Camshaft Plug for Case, International, Cummins 3901969

$529
12 12 Available and in stock.
New Aftermarket
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fits Cummins
Camshaft for Cummins 3902332

Cummins 1539 (6CTA 8.3L) — Camshaft for Cummins 3902332

$302
67 67 Available and in stock.
New Aftermarket
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Cylinder Components

Cylinder Kit for Cummins 3802401

Cummins 1539 (6CTA 8.3L) — Cylinder Kit for Cummins 3802401

$21008
76 76 Available and in stock.
New Aftermarket
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Piston Body for Allis Chalmers 3923164-F

Cummins 1539 (6CTA 8.3L) — Piston Body for Allis Chalmers 3923164-F

$13879
0 Sorry, currently out of stock.
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Cylinder Sleeve for Cummins 3802370

Cummins 1539 (6CTA 8.3L) — Cylinder Sleeve for Cummins 3802370

$5555
12 12 Available and in stock.
New Aftermarket
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Piston Ring Set for Cummins 3802110

Cummins 1539 (6CTA 8.3L) — Piston Ring Set for Cummins 3802110

$3771
0 Sorry, currently out of stock.
New Aftermarket
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Piston Ring Set for Cummins 3802429

Cummins 1539 (6CTA 8.3L) — Piston Ring Set for Cummins 3802429

$2883
99+ 443 Available and in stock.
New Aftermarket
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Cylinder Liner Shim for Cummins 3924445

Cummins 1539 (6CTA 8.3L) — Cylinder Liner Shim for Cummins 3924445

$1443
24 24 Available and in stock.
New Aftermarket
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Cylinder Liner Shim for Cummins 3924446

Cummins 1539 (6CTA 8.3L) — Cylinder Liner Shim for Cummins 3924446

$1332
0 Sorry, currently out of stock.
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Cummins 6C 8.3L Liner O-Ring Kit (3907177)

Cummins 1539 (6CTA 8.3L) — Fits Cummins 6C, 6CT, 6CTA Cylinder Liner O-Ring New 3907177

$417
99+ 693 Available and in stock.
New Aftermarket
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Piston Cooling Tube for Cummins 3905928

Cummins 1539 (6CTA 8.3L) — Piston Cooling Tube for Cummins 3905928

$176
8 8 Available and in stock.
New Aftermarket
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Piston Cooling Tube for Cummins 3928031

Cummins 1539 (6CTA 8.3L) — Piston Cooling Tube for Cummins 3928031

$080
80 80 Available and in stock.
New Aftermarket
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Bearings & Bushings

fits Allis-Chalmers
Main Bearing Set for Cummins 171821

Cummins 1539 (6CTA 8.3L) — Main Bearing Set for Cummins 171821

From $9173
99+ 582 Available and in stock.
A collection of different conditions, brands, or sizes
COLLECTION Multiple versions of the same part
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Cummins 4B, 6B, 6C, QSB, ISB, QSC Fan Drive Bearing | Replaces 3910739, J910739

Cummins 1539 (6CTA 8.3L) — Cummins 4B, 6B, 6C, QSB, ISB, QSC Fan Drive Bearing | Replaces 3910739, J910739

$8150
8 8 Available and in stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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Piston Pin Bushing for Cummins 3970951

Cummins 1539 (6CTA 8.3L) — Piston Pin Bushing for Cummins 3970951

$843
99+ 951 Available and in stock.
New Aftermarket
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fits Allis-Chalmers
Connecting Rod Bearing for Allis-Chalmers 171816

Cummins 1539 (6CTA 8.3L) — Connecting Rod Bearing for Allis-Chalmers 171816

From $781
99+ 2560 Available and in stock.
A collection of different conditions, brands, or sizes
COLLECTION Multiple versions of the same part
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Camshaft Bearing for Cummins 3945329

Cummins 1539 (6CTA 8.3L) — Camshaft Bearing for Cummins 3945329

$684
1 Only 1 left in stock.
New Aftermarket
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Gaskets & Seals

Cummins 6CT, 6CTA, 6CTAA8.3L Diesel Aftercooler, 3924732

Cummins 1539 (6CTA 8.3L) — Cummins 6CT, 6CTA, 6CTAA8.3L Diesel Aftercooler, 3924732

$79063
0 Sorry, currently out of stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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Cylinder Head Gasket for Cummins 3935587

Cummins 1539 (6CTA 8.3L) — Cylinder Head Gasket for Cummins 3935587

$55333
0 Sorry, currently out of stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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Cylinder Head Gasket for Cummins 3935586

Cummins 1539 (6CTA 8.3L) — Cylinder Head Gasket for Cummins 3935586

$17252
0 Sorry, currently out of stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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Crankshaft for Allis Chalmers 3918776

Cummins 1539 (6CTA 8.3L) — Crankshaft for Allis Chalmers 3918776

$15640
0 Sorry, currently out of stock.
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Cummins 6CT8.3L Diesel Inframe Gasket Set, 4025271S

Cummins 1539 (6CTA 8.3L) — Cummins 6CT8.3L Diesel Inframe Gasket Set, 4025271S

$15105
0 Sorry, currently out of stock.
New Aftermarket
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Cummins 6C 8.3L Std. (3800558, 3802389) Lower Set

Cummins 1539 (6CTA 8.3L) — Fits Cummins 6C, 6CT, 6CTA Gasket Set Lower New 3800558

$14906
29 29 Available and in stock.
New Aftermarket
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Cylinder Head Gasket Set for Cummins 4025271

Cummins 1539 (6CTA 8.3L) — Cylinder Head Gasket Set for Cummins 4025271

$13045
99+ 113 Available and in stock.
New Aftermarket
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Front Crankshaft Seal for Allis Chalmers 3908139

Cummins 1539 (6CTA 8.3L) — Front Crankshaft Seal for Allis Chalmers 3908139

$11899
4 Only 4 left in stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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Cylinder Head Gasket for Cummins 3938267

Cummins 1539 (6CTA 8.3L) — Cylinder Head Gasket for Cummins 3938267

$5442
31 31 Available and in stock.
New Aftermarket
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Cummins 6C 8.3L Diesel Front Crank Wear Sleeve (3908277)

Cummins 1539 (6CTA 8.3L) — Cummins 6C 8.3L Diesel Front Crank Wear Sleeve (3908277)

$5428
9 9 Available and in stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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Crankshaft Wear Sleeve for Cummins 3906081

Cummins 1539 (6CTA 8.3L) — Crankshaft Wear Sleeve for Cummins 3906081

$4651
37 37 Available and in stock.
New Aftermarket
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Rear Crankshaft Seal Kit for Cummins 3926126

Cummins 1539 (6CTA 8.3L) — Rear Crankshaft Seal Kit for Cummins 3926126

$4610
99+ 731 Available and in stock.
New Aftermarket
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fits Cummins
Expansion Plug Kit for Cummins 3901969

Cummins 1539 (6CTA 8.3L) — Expansion Plug Kit for Cummins 3901969

$4506
7 7 Available and in stock.
New Aftermarket
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Rear Crankshaft Seal for Cummins 3909411

Cummins 1539 (6CTA 8.3L) — Rear Crankshaft Seal for Cummins 3909411

$3746
17 17 Available and in stock.
New Aftermarket
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Rear Crankshaft Seal for Cummins 4089342

Cummins 1539 (6CTA 8.3L) — Rear Crankshaft Seal for Cummins 4089342

$3195
12 12 Available and in stock.
New Aftermarket
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Front Crankshaft Seal Kit for Cummins 3925343

Cummins 1539 (6CTA 8.3L) — Front Crankshaft Seal Kit for Cummins 3925343

$3043
18 18 Available and in stock.
New Aftermarket
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Oil Pan Gasket Set for Allis Chalmers A77679

Cummins 1539 (6CTA 8.3L) — Oil Pan Gasket Set for Allis Chalmers A77679

$2256
99+ 999 Available and in stock.
New Aftermarket
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Front Gear Housing Mounting Gasket for Cummins 3979349

Cummins 1539 (6CTA 8.3L) — Front Gear Housing Mounting Gasket for Cummins 3979349

$2248
16 16 Available and in stock.
New Aftermarket
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Valve Cover Gasket for Cummins 3905449

Cummins 1539 (6CTA 8.3L) — Valve Cover Gasket for Cummins 3905449

$1718
20 20 Available and in stock.
New Aftermarket
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Oil Cooler Gasket for Cummins 3918332

Cummins 1539 (6CTA 8.3L) — Oil Cooler Gasket for Cummins 3918332

$1415
21 21 Available and in stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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Oil Cooler Gasket for Cummins 3914308

Cummins 1539 (6CTA 8.3L) — Oil Cooler Gasket for Cummins 3914308

$1005
7 7 Available and in stock.
New Aftermarket
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Oil Cooler Gasket for Cummins 3918174

Cummins 1539 (6CTA 8.3L) — Oil Cooler Gasket for Cummins 3918174

$774
99+ 916 Available and in stock.
New Aftermarket
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Oil Pan for Cummins 3902425

Cummins 1539 (6CTA 8.3L) — Oil Pan for Cummins 3902425

$116
99+ 174 Available and in stock.
New Aftermarket
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Valve Hardware

Valve Train Kit for Cummins VOKC83

Cummins 1539 (6CTA 8.3L) — Valve Train Kit for Cummins VOKC83

$30368
99+ 999 Available and in stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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Rocker Arm Shaft for Cummins 3919435

Cummins 1539 (6CTA 8.3L) — Rocker Arm Shaft for Cummins 3919435

$5830
0 Sorry, currently out of stock.
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Rocker Arm for Cummins 3901717

Cummins 1539 (6CTA 8.3L) — Rocker Arm for Cummins 3901717

$3101
2 Only 2 left in stock.
New Aftermarket
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Exhaust Valve for Cummins 3902254

Cummins 1539 (6CTA 8.3L) — Exhaust Valve for Cummins 3902254

$2096
99+ 176 Available and in stock.
New Aftermarket
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Intake Valve for Cummins 3802463

Cummins 1539 (6CTA 8.3L) — Intake Valve for Cummins 3802463

$1547
14 14 Available and in stock.
New Aftermarket
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Push Rod for Cummins 3905194

Cummins 1539 (6CTA 8.3L) — Push Rod for Cummins 3905194

$830
99+ 194 Available and in stock.
New Aftermarket
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fits Cummins
Valve Seat for Cummins 3924583

Cummins 1539 (6CTA 8.3L) — Valve Seat for Cummins 3924583

$762
40 40 Available and in stock.
New Aftermarket
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fits Cummins
Valve Seat for Cummins 3924582

Cummins 1539 (6CTA 8.3L) — Valve Seat for Cummins 3924582

$740
35 35 Available and in stock.
New Aftermarket
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Intake & Exhaust Valve Guide for Cummins 3923564

Cummins 1539 (6CTA 8.3L) — Intake & Exhaust Valve Guide for Cummins 3923564

$445
99+ 181 Available and in stock.
New Aftermarket
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fits Cummins
Valve Spring Retainer for Cummins 3907990

Cummins 1539 (6CTA 8.3L) — Valve Spring Retainer for Cummins 3907990

$444
84 84 Available and in stock.
New Aftermarket
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Intake & Exhaust Valve Spring for Cummins, Case 3906412

Cummins 1539 (6CTA 8.3L) — Intake & Exhaust Valve Spring for Cummins, Case 3906412

$424
99+ 358 Available and in stock.
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Valve Seal for Cummins 3927642

Cummins 1539 (6CTA 8.3L) — Valve Seal for Cummins 3927642

$340
99+ 661 Available and in stock.
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Intake & Exhaust Valve Keeper for Cummins 3901177

Cummins 1539 (6CTA 8.3L) — Intake & Exhaust Valve Keeper for Cummins 3901177

$110
99+ 1733 Available and in stock.
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Timing & Gear Train

Cummins 4B 3.9L, 6B 5.9L, QSB 5.9L, 6C 8.3L New Belt Tensioner | Replaces 3934817, J937553

Cummins 1539 (6CTA 8.3L) — 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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Fuel System

Fuel Injector for Cummins 3919602

Cummins 1539 (6CTA 8.3L) — Fuel Injector for Cummins 3919602

$10188
6 6 Available and in stock.
New Aftermarket
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Fuel Injector for Cummins 3908511

Cummins 1539 (6CTA 8.3L) — Fuel Injector for Cummins 3908511

$8870
52 52 Available and in stock.
New Aftermarket
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Fuel Transfer Pump for Cummins 4988749

Cummins 1539 (6CTA 8.3L) — Fuel Transfer Pump for Cummins 4988749

$6807
31 31 Available and in stock.
New Aftermarket
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Lubrication System

Oil Pump for Case, Cummins 3800828

Cummins 1539 (6CTA 8.3L) — Oil Pump for Case, Cummins 3800828

$15244
7 7 Available and in stock.
New Aftermarket
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Air System

Turbocharger for Cummins 3802303

Cummins 1539 (6CTA 8.3L) — Turbocharger for Cummins 3802303

$58040
4 Only 4 left in stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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Cummins 6C, 6CT, 6CTA 8.3L, Case 6-830, 6T-830, 6TA-830 Exhaust Manifold Bolt Kit | Replaces 3929537, 3914708

Cummins 1539 (6CTA 8.3L) — Cummins 6C, 6CT, 6CTA 8.3L, Case 6-830, 6T-830, 6TA-830 Exhaust Manifold Bolt Kit | Replaces 3929537, 3914708

$10522
99+ 999 Available and in stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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Cummins C8.3 Diesel Rocker Oil Manifold, 3919677

Cummins 1539 (6CTA 8.3L) — Cummins C8.3 Diesel Rocker Oil Manifold, 3919677

$5843
99+ 239 Available and in stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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Cummins 6C, 6CT, 6CTA 8.3L, Case 6-830, 6T-830, 6TA-830 Exhaust Manifold Bolt | Replaces 3929537, 3914956

Cummins 1539 (6CTA 8.3L) — Cummins 6C, 6CT, 6CTA 8.3L, Case 6-830, 6T-830, 6TA-830 Exhaust Manifold Bolt | Replaces 3929537, 3914956

$810
99+ 177 Available and in stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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fits Cummins
Cummins 6C, C series Manifold Exhaust Bolt New 3929537

Cummins 1539 (6CTA 8.3L) — Fits Cummins 6C, C series Manifold Exhaust Bolt New 3929537

$693
99+ 543 Available and in stock.
New Aftermarket
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Cummins 6C, 6CT, 6CTA 8.3L, Case 6-830, 6T-830, 6TA-830 Exhaust Manifold Bolt Lock Plate | Replaces 3914708, J914708

Cummins 1539 (6CTA 8.3L) — Cummins 6C, 6CT, 6CTA 8.3L, Case 6-830, 6T-830, 6TA-830 Exhaust Manifold Bolt Lock Plate | Replaces 3914708, J914708

$383
99+ 8090 Available and in stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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Cooling System

Oil Cooler for Cummins 3974815

Cummins 1539 (6CTA 8.3L) — Oil Cooler for Cummins 3974815

$19708
39 39 Available and in stock.
New Aftermarket
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Water Pump for Cummins 3806180

Cummins 1539 (6CTA 8.3L) — Water Pump for Cummins 3806180

$10819
99+ 719 Available and in stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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Thermostat for Cummins 3934410

Cummins 1539 (6CTA 8.3L) — Thermostat for Cummins 3934410

$9388
0 Sorry, currently out of stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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fits Cummins
Cummins Water Inlet Hose

Cummins 1539 (6CTA 8.3L) — Cummins Water Inlet Hose

$3914
3 Only 3 left in stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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Thermostat for Cummins 3928639

Cummins 1539 (6CTA 8.3L) — Thermostat for Cummins 3928639

$1339
91 91 Available and in stock.
New Aftermarket
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Sheet Metal & Housings

Cummins 8.3L Gear Outer Timing Cover (3925230)

Cummins 1539 (6CTA 8.3L) — Cummins 8.3L Gear Outer Timing Cover (3925230)

$13804
13 13 Available and in stock.
New Aftermarket
RELIANCE Reliance brand replacement parts
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  • Morrice, MI 48857
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© RF Engine is a Nivel HD brand. All manufacturer names, numbers, symbols & descriptions are for reference purposes only. It is not implied in any way that the items listed here are a product of the manufacturer referenced. OEM makes are registered trademarks of their respective owners.
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