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S6D155-4, Build 14A

Our Komatsu parts meet or exceed the OEM specifications. After production, these parts are individually tested ensuring exact fitment and reducing out of box failures. Not only are these Komatsu parts rigorously tested in a multi-hour run-in environment to certify proper and continuous operation over long periods of time, they are also made of industry leading materials and processes.
Displaying products 1 - 100 of 100 results
Komatsu S6D155-4 Engine Inframe Overhaul Rebuild Kit
Our Price: From $2,497.28 to $4,136.23
Komatsu S6D155-4 Engine Inframe Overhaul Rebuild Kit
free shipping
Komatsu Cylinder Kit, KMP6127
MSRP: $363.63
Our Price: $356.50
You Save: $7.13 (2 %)
Komatsu Cylinder Kit, KMP6127
Komatsu Cylinder Liner with Seals, 6128-21-2216S
MSRP: $145.18
Our Price: $114.10
You Save: $31.08 (21 %)
Komatsu Cylinder Liner with Seals, 6128-21-2216S
Komatsu Cylinder Liner, 6128-21-2216
MSRP: $140.87
Our Price: $104.92
You Save: $35.95 (26 %)
Komatsu Cylinder Liner, 6128-21-2216
Komatsu Liner Seal Set, KMP-SK-155
MSRP: $14.62
Our Price: $9.18
You Save: $5.44 (37 %)
Komatsu Liner Seal Set, KMP-SK-155
Komatsu Piston with pin and pin retainers, 6127-31-2030
MSRP: $175.04
Our Price: $171.10
You Save: $3.94 (2 %)
Komatsu Piston with pin and pin retainers, 6127-31-2030
Komatsu Piston with pin retainers, 6127-31-2140
MSRP: $143.18
Our Price: $140.37
You Save: $2.81 (2 %)
Komatsu Piston with pin retainers, 6127-31-2140
Komatsu Piston Ring Set, 1 cylinder, 6128-31-2070
MSRP: $92.69
Our Price: $71.30
You Save: $21.39 (23 %)
Komatsu Piston Ring Set, 1 cylinder, 6128-31-2070
Komatsu Piston Ring Set, 6 cylinder, 6128-31-2060
MSRP: $436.36
Our Price: $427.80
You Save: $8.56 (2 %)
Komatsu Piston Ring Set, 6 cylinder, 6128-31-2060
Komatsu Piston Pin Retainer, 6120-31-2120
MSRP: $2.41
Our Price: $1.86
You Save: $0.55 (23 %)
Komatsu Piston Pin Retainer, 6120-31-2120
Komatsu Piston Cooling Nozzle, 6127-21-1851
MSRP: $78.44
Our Price: $54.76
You Save: $23.68 (30 %)
Komatsu Piston Cooling Nozzle, 6127-21-1851
Komatsu Piston Cooling Nozzle, 6128-21-1070
MSRP: $46.35
Our Price: $28.54
You Save: $17.81 (38 %)
Komatsu Piston Cooling Nozzle, 6128-21-1070
Komatsu Main Bearing Set, Standard, 6127-21-8002
MSRP: $196.21
Our Price: $192.36
You Save: $3.85 (2 %)
Komatsu Main Bearing Set, Standard, 6127-21-8002
Komatsu Main Bearing Set, Standard, 6127-21-8071
MSRP: $169.40
Our Price: $166.08
You Save: $3.32 (2 %)
Komatsu Main Bearing Set, Standard, 6127-21-8071
Komatsu Main Bearing, .25mm, 6127-29-8071
MSRP: $203.71
Our Price: $199.72
You Save: $3.99 (2 %)
Komatsu Main Bearing, .25mm, 6127-29-8071
Komatsu Main Bearing Set, .50mm, 6127-28-8071
MSRP: $203.71
Our Price: $199.72
You Save: $3.99 (2 %)
Komatsu Main Bearing Set, .50mm, 6127-28-8071
Komatsu Main Bearing Set, .75mm, 6127-27-8071
MSRP: $203.71
Our Price: $199.72
You Save: $3.99 (2 %)
Komatsu Main Bearing Set, .75mm, 6127-27-8071
Komatsu Main Bearing Set, 1.00mm, 6127-26-8071
MSRP: $203.71
Our Price: $199.72
You Save: $3.99 (2 %)
Komatsu Main Bearing Set, 1.00mm, 6127-26-8071
Komatsu Rod Bearing, Standard, 6127-31-3042
MSRP: $25.95
Our Price: $19.96
You Save: $5.99 (23 %)
Komatsu Rod Bearing, Standard, 6127-31-3042
Komatsu Rod Bearing, .25mm, 6127-39-3042
MSRP: $34.50
Our Price: $21.98
You Save: $12.52 (36 %)
Komatsu Rod Bearing, .25mm, 6127-39-3042
Komatsu Rod Bearing, .50mm, 6127-38-3042
MSRP: $27.59
Our Price: $21.22
You Save: $6.37 (23 %)
Komatsu Rod Bearing, .50mm, 6127-38-3042
Komatsu Rod Bearing, .75mm, 6127-36-3042
MSRP: $22.66
Our Price: $21.68
You Save: $0.98 (4 %)
Komatsu Rod Bearing, .75mm, 6127-36-3042
Komatsu Rod Bearing, .75mm, 6127-37-3042
MSRP: $36.31
Our Price: $23.96
You Save: $12.35 (34 %)
Komatsu Rod Bearing, .75mm, 6127-37-3042
Komatsu Thrust Bearing, Standard, 6127-21-8051
MSRP: $34.15
Our Price: $26.27
You Save: $7.88 (23 %)
Komatsu Thrust Bearing, Standard, 6127-21-8051
Komatsu Thrust Bearing, .25mm, 6127-29-8051
MSRP: $63.47
Our Price: $47.86
You Save: $15.61 (25 %)
Komatsu Thrust Bearing, .25mm, 6127-29-8051
Komatsu Thrust Bearing, .50mm, 6127-28-8051
MSRP: $73.30
Our Price: $48.02
You Save: $25.28 (34 %)
Komatsu Thrust Bearing, .50mm, 6127-28-8051
Komatsu Thrust Bearing, .75mm, 6127-27-8051
MSRP: $50.48
Our Price: $36.63
You Save: $13.85 (27 %)
Komatsu Thrust Bearing, .75mm, 6127-27-8051
Komatsu Thrust Bearing, 1.00mm, 6127-26-8051
MSRP: $50.70
Our Price: $36.80
You Save: $13.90 (27 %)
Komatsu Thrust Bearing, 1.00mm, 6127-26-8051
Komatsu Oil Pan Gasket, 6127-21-5851
MSRP: $18.75
Our Price: $14.42
You Save: $4.33 (23 %)
Komatsu Oil Pan Gasket, 6127-21-5851
Komatsu Front Crankshaft Wear Sleeve, 6127-31-1190
MSRP: $87.13
Our Price: $60.84
You Save: $26.29 (30 %)
Komatsu Front Crankshaft Wear Sleeve, 6127-31-1190
Komatsu Front Seal, 6127-21-3510
MSRP: $39.26
Our Price: $26.61
You Save: $12.65 (32 %)
Komatsu Front Seal, 6127-21-3510
Komatsu Rear Crankshaft Wear Sleeve, 6127-31-1293
MSRP: $105.59
Our Price: $74.40
You Save: $31.19 (30 %)
Komatsu Rear Crankshaft Wear Sleeve, 6127-31-1293
Komatsu Rear Seal, 6128-21-4230
MSRP: $115.97
Our Price: $70.35
You Save: $45.62 (39 %)
Komatsu Rear Seal, 6128-21-4230
Komatsu Water Pump Gasket Set, 6128-K6-9901
MSRP: $46.84
Our Price: $32.32
You Save: $14.52 (31 %)
Komatsu Water Pump Gasket Set, 6128-K6-9901
Komatsu Exhaust Manifold Gasket, 6127-11-5810
MSRP: $12.59
Our Price: $8.23
You Save: $4.36 (35 %)
Komatsu Exhaust Manifold Gasket, 6127-11-5810
Komatsu Gasket Maker, 3oz Tube, TB1207C
MSRP: $10.93
Our Price: $6.56
You Save: $4.37 (40 %)
Komatsu Gasket Maker, 3oz Tube, TB1207C
Komatsu Gasket, 6127-61-2420
MSRP: $8.71
Our Price: $5.07
You Save: $3.64 (42 %)
Komatsu Gasket, 6127-61-2420
Komatsu Gasket, 6127-61-2851
MSRP: $8.23
Our Price: $4.74
You Save: $3.49 (42 %)
Komatsu Gasket, 6127-61-2851
Komatsu Gasket, 6127-61-6811
MSRP: $3.25
Our Price: $1.81
You Save: $1.44 (44 %)
Komatsu Gasket, 6127-61-6811
Komatsu Gasket, 6127-61-6851
MSRP: $1.46
Our Price: $0.82
You Save: $0.64 (44 %)
Komatsu Gasket, 6127-61-6851
Komatsu Gasket, 6127-81-2810
MSRP: $26.88
Our Price: $18.21
You Save: $8.67 (32 %)
Komatsu Gasket, 6127-81-2810
Komatsu Gasket, 6128-11-4721
MSRP: $23.02
Our Price: $14.46
You Save: $8.56 (37 %)
Komatsu Gasket, 6128-11-4721
Komatsu Gasket, 6128-21-3231
MSRP: $21.06
Our Price: $14.42
You Save: $6.64 (32 %)
Komatsu Gasket, 6128-21-3231
Komatsu Gasket, 6128-21-3811
MSRP: $7.83
Our Price: $4.62
You Save: $3.21 (41 %)
Komatsu Gasket, 6128-21-3811
Komatsu Grommet, 6127-11-1830
MSRP: $6.59
Our Price: $3.78
You Save: $2.81 (43 %)
Komatsu Grommet, 6127-11-1830
Komatsu Grommet, 6127-11-1841
MSRP: $1.22
Our Price: $0.73
You Save: $0.49 (40 %)
Komatsu Grommet, 6127-11-1841
Komatsu Thermostat Housing Gasket, 6127-11-6431
MSRP: $8.08
Our Price: $4.03
You Save: $4.05 (50 %)
Komatsu Thermostat Housing Gasket, 6127-11-6431
Komatsu Connecting Rod Nut, 6127-31-3321
MSRP: $2.40
Our Price: $1.22
You Save: $1.18 (49 %)
Komatsu Connecting Rod Nut, 6127-31-3321
Komatsu Connecting Rod, 6127-31-3101
MSRP: $633.00
Our Price: $614.75
You Save: $18.25 (3 %)
Komatsu Connecting Rod, 6127-31-3101
Komatsu Piston Pin Bushing, 6127-31-3131
MSRP: $10.83
Our Price: $6.56
You Save: $4.27 (39 %)
Komatsu Piston Pin Bushing, 6127-31-3131
Komatsu Camshaft without gear, 6127-41-1103
MSRP: $1,813.61
Our Price: $1,778.05
You Save: $35.56 (2 %)
Komatsu Camshaft without gear, 6127-41-1103
Komatsu Camshaft Bearing, 6127-21-1490
MSRP: $12.12
Our Price: $7.41
You Save: $4.71 (39 %)
Komatsu Camshaft Bearing, 6127-21-1490
Komatsu Camshaft Lube Pipe, 6127-51-7112
MSRP: $54.34
Our Price: $36.50
You Save: $17.84 (33 %)
Komatsu Camshaft Lube Pipe, 6127-51-7112
Komatsu Camshaft Lube Pipe, 6127-51-7121
MSRP: $51.48
Our Price: $36.50
You Save: $14.98 (29 %)
Komatsu Camshaft Lube Pipe, 6127-51-7121
Komatsu Camshaft Lube Pipe, 6127-51-7142
MSRP: $56.15
Our Price: $39.22
You Save: $16.93 (30 %)
Komatsu Camshaft Lube Pipe, 6127-51-7142
Komatsu Camshaft Lube Pipe, 6127-51-7232
MSRP: $75.06
Our Price: $51.48
You Save: $23.58 (31 %)
Komatsu Camshaft Lube Pipe, 6127-51-7232
Komatsu Timing Gear Key, 04000-01540
MSRP: $33.51
Our Price: $17.56
You Save: $15.95 (48 %)
Komatsu Timing Gear Key, 04000-01540
Komatsu Bushing, 6610-71-7120
MSRP: $5.61
Our Price: $4.68
You Save: $0.93 (17 %)
Komatsu Bushing, 6610-71-7120
Komatsu Crankshaft Gear, 6127-31-1120
MSRP: $284.00
Our Price: $275.13
You Save: $8.87 (3 %)
Komatsu Crankshaft Gear, 6127-31-1120
Komatsu Valve Spring, 6127-41-4410
MSRP: $7.76
Our Price: $4.96
You Save: $2.80 (36 %)
Komatsu Valve Spring, 6127-41-4410
Komatsu Valve Lock, 6127-41-4522
MSRP: $2.96
Our Price: $1.58
You Save: $1.38 (47 %)
Komatsu Valve Lock, 6127-41-4522
Komatsu Valve Guide, 6127-11-1341
MSRP: $3.58
Our Price: $3.47
You Save: $0.11 (3 %)
Komatsu Valve Guide, 6127-11-1341
Komatsu Valve Seat, 6127-11-1325
MSRP: $14.63
Our Price: $14.04
You Save: $0.59 (4 %)
Komatsu Valve Seat, 6127-11-1325
Exhaust
Komatsu Valve Seat, 6127-11-1335
MSRP: $18.25
Our Price: $14.04
You Save: $4.21 (23 %)
Komatsu Valve Seat, 6127-11-1335
Intake
Komatsu Valve Seat, .25mm, 6127-19-1325
MSRP: $20.11
Our Price: $12.17
You Save: $7.94 (39 %)
Komatsu Valve Seat, .25mm, 6127-19-1325
Exhaust
Komatsu Valve Seat, .25mm, 6127-19-1335
MSRP: $15.10
Our Price: $8.99
You Save: $6.11 (40 %)
Komatsu Valve Seat, .25mm, 6127-19-1335
Intake
Komatsu Retainer, 6127-11-1851
MSRP: $6.44
Our Price: $3.80
You Save: $2.64 (41 %)
Komatsu Retainer, 6127-11-1851
Komatsu Valve Spring Retainer, Lower, 6127-41-4530
MSRP: $3.45
Our Price: $1.78
You Save: $1.67 (48 %)
Komatsu Valve Spring Retainer, Lower, 6127-41-4530
Komatsu Valve Spring Retainer, Upper, 6127-41-4510
MSRP: $12.53
Our Price: $7.58
You Save: $4.95 (40 %)
Komatsu Valve Spring Retainer, Upper, 6127-41-4510
Komatsu Valve Seal, 6127-41-4541
MSRP: $5.04
Our Price: $4.08
You Save: $0.96 (19 %)
Komatsu Valve Seal, 6127-41-4541
Komatsu Push Rod, 6127-41-3113
MSRP: $52.33
Our Price: $40.25
You Save: $12.08 (23 %)
Komatsu Push Rod, 6127-41-3113
Komatsu Crosshead Guide, 6127-41-5614
MSRP: $82.59
Our Price: $56.16
You Save: $26.43 (32 %)
Komatsu Crosshead Guide, 6127-41-5614
Komatsu Washer, 01658-22016
MSRP: $2.67
Our Price: $1.35
You Save: $1.32 (49 %)
Komatsu Washer, 01658-22016
Komatsu Oil Cooler Core, 195-03-19130
MSRP: $428.70
Our Price: $408.02
You Save: $20.68 (5 %)
Komatsu Oil Cooler Core, 195-03-19130
Komatsu Oil Cooler Core, 195-03-19140
MSRP: $366.65
Our Price: $364.96
You Save: $1.69 (0 %)
Komatsu Oil Cooler Core, 195-03-19140
Komatsu Oil Pump, 6128-52-1013
MSRP: $1,783.59
Our Price: $1,675.10
You Save: $108.49 (6 %)
Komatsu Oil Pump, 6128-52-1013
free shipping
Komatsu Water Pump Impeller, 6124-61-1333
MSRP: $159.42
Our Price: $119.78
You Save: $39.64 (25 %)
Komatsu Water Pump Impeller, 6124-61-1333
Komatsu Water Pump Impeller, 6127-61-1332
MSRP: $76.56
Our Price: $52.98
You Save: $23.58 (31 %)
Komatsu Water Pump Impeller, 6127-61-1332
Komatsu Water Pump, 6124-61-1004
MSRP: $887.72
Our Price: $870.31
You Save: $17.41 (2 %)
Komatsu Water Pump, 6124-61-1004
Komatsu Water Pump, 6127-61-1008
MSRP: $1,197.92
Our Price: $933.01
You Save: $264.91 (22 %)
Komatsu Water Pump, 6127-61-1008
Komatsu Water Pump Seal, 07012-20042
MSRP: $10.93
Our Price: $6.56
You Save: $4.37 (40 %)
Komatsu Water Pump Seal, 07012-20042
Komatsu Water Pump Seal, 6127-61-1320
MSRP: $2.23
Our Price: $1.16
You Save: $1.07 (48 %)
Komatsu Water Pump Seal, 6127-61-1320
Komatsu Water Pump Seal, 6127-61-1516
MSRP: $56.78
Our Price: $39.65
You Save: $17.13 (30 %)
Komatsu Water Pump Seal, 6127-61-1516
Komatsu Water Pump Seal, 6211-61-1530
MSRP: $20.40
Our Price: $13.58
You Save: $6.82 (33 %)
Komatsu Water Pump Seal, 6211-61-1530
Komatsu Water Pump Shaft, 6124-61-1312
MSRP: $141.36
Our Price: $95.65
You Save: $45.71 (32 %)
Komatsu Water Pump Shaft, 6124-61-1312
Komatsu Water Pump Shaft, 6127-61-1313
MSRP: $112.66
Our Price: $79.38
You Save: $33.28 (30 %)
Komatsu Water Pump Shaft, 6127-61-1313
Komatsu Thermostat, 600-421-6630
MSRP: $35.97
Our Price: $25.28
You Save: $10.69 (30 %)
Komatsu Thermostat, 600-421-6630
Komatsu Fuel Injector Nozzle, 6127-11-3133
MSRP: $32.42
Our Price: $15.92
You Save: $16.50 (51 %)
Komatsu Fuel Injector Nozzle, 6127-11-3133
Komatsu Fuel Line, 6127-71-5123
MSRP: $43.27
Our Price: $30.89
You Save: $12.38 (29 %)
Komatsu Fuel Line, 6127-71-5123
Line 2
Komatsu Fuel Line, 6127-71-5133
MSRP: $44.07
Our Price: $28.37
You Save: $15.70 (36 %)
Komatsu Fuel Line, 6127-71-5133
Line 3
Komatsu Fuel Line, 6127-71-5143
MSRP: $46.47
Our Price: $28.37
You Save: $18.10 (39 %)
Komatsu Fuel Line, 6127-71-5143
Line 4
Komatsu Fuel Line, 6127-71-5171
MSRP: $45.63
Our Price: $28.37
You Save: $17.26 (38 %)
Komatsu Fuel Line, 6127-71-5171
Line 1
Komatsu Fuel Line, 6127-71-5181
MSRP: $46.47
Our Price: $28.37
You Save: $18.10 (39 %)
Komatsu Fuel Line, 6127-71-5181
Line 5
Komatsu Fuel Line, 6127-71-5191
MSRP: $48.14
Our Price: $28.37
You Save: $19.77 (41 %)
Komatsu Fuel Line, 6127-71-5191
Line 6
Komatsu Injector Sleeve, 6128-11-1130
MSRP: $36.39
Our Price: $24.24
You Save: $12.15 (33 %)
Komatsu Injector Sleeve, 6128-11-1130
Komatsu Shutoff Valve, 6710-61-8411
MSRP: $28.57
Our Price: $16.85
You Save: $11.72 (41 %)
Komatsu Shutoff Valve, 6710-61-8411
Komatsu Fuel Filter, 6110-70-6202
MSRP: $15.38
Our Price: $9.15
You Save: $6.23 (41 %)
Komatsu Fuel Filter, 6110-70-6202
Komatsu Oil Filter, 6120-50-5103
MSRP: $20.22
Our Price: $12.35
You Save: $7.87 (39 %)
Komatsu Oil Filter, 6120-50-5103
Komatsu Oil Filter, 6127-51-5040
MSRP: $26.11
Our Price: $15.19
You Save: $10.92 (42 %)
Komatsu Oil Filter, 6127-51-5040
Komatsu Water Filter, 600-411-1571
MSRP: $21.19
Our Price: $13.18
You Save: $8.01 (38 %)
Komatsu Water Filter, 600-411-1571