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S6D102E-1AA, Build 4A

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 - 69 of 69 results
Komatsu S6D102E-1AA Engine Inframe Overhaul Rebuild Kit, Piston 6735-01-3110
Komatsu S6D102E-1AA Engine Inframe Overhaul Rebuild Kit, Piston 6735-01-3110
Our Price: From $932.37 to $1,477.62
Komatsu S6D102E-1AA Engine Inframe Overhaul Rebuild Kit, Piston 6735-01-3110
Engine Serial Number 21180000-21295203
free shipping
Komatsu Cylinder Kit, KMP1021
Komatsu Cylinder Kit, KMP1021
MSRP: $156.39
Our Price: $131.33
You Save: $25.06 (16 %)
Komatsu Cylinder Kit, KMP1021
Komatsu Cylinder Kit, KMP1024
Komatsu Cylinder Kit, KMP1024
MSRP: $140.02
Our Price: $121.04
You Save: $18.98 (14 %)
Komatsu Cylinder Kit, KMP1024
Komatsu Cylinder Liner, 6736-29-2110
Komatsu Cylinder Liner, 6736-29-2110
MSRP: $36.30
Our Price: $27.92
You Save: $8.38 (23 %)
Komatsu Cylinder Liner, 6736-29-2110
Komatsu Piston with pin and pin retainers, 6735-31-2111WP
Komatsu Piston with pin and pin retainers, 6735-31-2111WP
MSRP: $114.53
Our Price: $83.76
You Save: $30.77 (27 %)
Komatsu Piston with pin and pin retainers, 6735-31-2111WP
Komatsu Piston with pin retainer and rings, 6735-01-3110
Komatsu Piston with pin retainer and rings, 6735-01-3110
MSRP: $105.85
Our Price: $81.42
You Save: $24.43 (23 %)
Komatsu Piston with pin retainer and rings, 6735-01-3110
Komatsu Piston with pin retainers, 6735-31-2111
Komatsu Piston with pin retainers, 6735-31-2111
MSRP: $95.51
Our Price: $71.41
You Save: $24.10 (25 %)
Komatsu Piston with pin retainers, 6735-31-2111
Komatsu Piston with pin retainer and rings, .50mm, 6735-39-2010
Komatsu Piston with pin retainer and rings, .50mm, 6735-39-2010
MSRP: $117.13
Our Price: $81.05
You Save: $36.08 (31 %)
Komatsu Piston with pin retainer and rings, .50mm, 6735-39-2010
Komatsu Piston with pin retainer and rings, 1.00mm, 6735-38-2010
Komatsu Piston with pin retainer and rings, 1.00mm, 6735-38-2010
MSRP: $95.83
Our Price: $66.91
You Save: $28.92 (30 %)
Komatsu Piston with pin retainer and rings, 1.00mm, 6735-38-2010
Komatsu Piston Ring Set, 1 cylinder, 6736-31-2030
Komatsu Piston Ring Set, 1 cylinder, 6736-31-2030
MSRP: $34.87
Our Price: $19.65
You Save: $15.22 (44 %)
Komatsu Piston Ring Set, 1 cylinder, 6736-31-2030
Komatsu Piston Ring Set, 1 cylinder, 6738-31-2031
Komatsu Piston Ring Set, 1 cylinder, 6738-31-2031
MSRP: $31.60
Our Price: $19.65
You Save: $11.95 (38 %)
Komatsu Piston Ring Set, 1 cylinder, 6738-31-2031
Komatsu Piston Ring Set, .50mm, 1 cylinder, 6732-39-2300
Komatsu Piston Ring Set, .50mm, 1 cylinder, 6732-39-2300
MSRP: $34.53
Our Price: $23.41
You Save: $11.12 (32 %)
Komatsu Piston Ring Set, .50mm, 1 cylinder, 6732-39-2300
Komatsu Piston Ring Set, 1.00mm, 1 cylinder, 6736-31-2050
Komatsu Piston Ring Set, 1.00mm, 1 cylinder, 6736-31-2050
MSRP: $35.83
Our Price: $23.87
You Save: $11.96 (33 %)
Komatsu Piston Ring Set, 1.00mm, 1 cylinder, 6736-31-2050
Komatsu Piston Pin, 6731-31-2410
Komatsu Piston Pin, 6731-31-2410
MSRP: $13.09
Our Price: $12.35
You Save: $0.74 (6 %)
Komatsu Piston Pin, 6731-31-2410
Komatsu Piston Pin, 6736-31-2430
Komatsu Piston Pin, 6736-31-2430
MSRP: $15.20
Our Price: $11.69
You Save: $3.51 (23 %)
Komatsu Piston Pin, 6736-31-2430
Komatsu Piston Pin Retainer, 6732-31-2420
Komatsu Piston Pin Retainer, 6732-31-2420
MSRP: $0.51
Our Price: $0.39
You Save: $0.12 (24 %)
Komatsu Piston Pin Retainer, 6732-31-2420
Komatsu Piston Cooling Nozzle, 6731-21-1190
Komatsu Piston Cooling Nozzle, 6731-21-1190
MSRP: $1.03
Our Price: $0.54
You Save: $0.49 (48 %)
Komatsu Piston Cooling Nozzle, 6731-21-1190
Komatsu Main Bearing Half, Standard, 6735-21-8110
Komatsu Main Bearing Half, Standard, 6735-21-8110
MSRP: $5.92
Our Price: $3.66
You Save: $2.26 (38 %)
Komatsu Main Bearing Half, Standard, 6735-21-8110
Komatsu Main Bearing Set, Standard, 6204-21-8100S
Komatsu Main Bearing Set, Standard, 6204-21-8100S
MSRP: $88.36
Our Price: $63.38
You Save: $24.98 (28 %)
Komatsu Main Bearing Set, Standard, 6204-21-8100S
Komatsu Main Bearing, Lower, Standard, 6735-21-8210
Komatsu Main Bearing, Lower, Standard, 6735-21-8210
MSRP: $5.46
Our Price: $3.43
You Save: $2.03 (37 %)
Komatsu Main Bearing, Lower, Standard, 6735-21-8210
Komatsu Main Bearing, Standard, 6204-21-8100
Komatsu Main Bearing, Standard, 6204-21-8100
MSRP: $11.21
Our Price: $9.05
You Save: $2.16 (19 %)
Komatsu Main Bearing, Standard, 6204-21-8100
Komatsu Main Bearing Set, .25mm, 6754-29-8100
Komatsu Main Bearing Set, .25mm, 6754-29-8100
MSRP: $78.99
Our Price: $65.21
You Save: $13.78 (17 %)
Komatsu Main Bearing Set, .25mm, 6754-29-8100
Komatsu Main Bearing Set, .25mm, 6754-29-8310
Komatsu Main Bearing Set, .25mm, 6754-29-8310
MSRP: $76.93
Our Price: $65.21
You Save: $11.72 (15 %)
Komatsu Main Bearing Set, .25mm, 6754-29-8310
Komatsu Main Bearing Set, .50mm, 6754-28-8100
Komatsu Main Bearing Set, .50mm, 6754-28-8100
MSRP: $63.01
Our Price: $53.88
You Save: $9.13 (14 %)
Komatsu Main Bearing Set, .50mm, 6754-28-8100
Komatsu Main Bearing Set, .75mm, 6754-27-8100
Komatsu Main Bearing Set, .75mm, 6754-27-8100
MSRP: $73.14
Our Price: $53.88
You Save: $19.26 (26 %)
Komatsu Main Bearing Set, .75mm, 6754-27-8100
Komatsu Main Bearing Set, 1.00mm, 6754-26-8100
Komatsu Main Bearing Set, 1.00mm, 6754-26-8100
MSRP: $76.28
Our Price: $64.64
You Save: $11.64 (15 %)
Komatsu Main Bearing Set, 1.00mm, 6754-26-8100
Komatsu Rod Bearing Upper, Standard, 6732-31-3411
Komatsu Rod Bearing Upper, Standard, 6732-31-3411
MSRP: $4.95
Our Price: $4.17
You Save: $0.78 (16 %)
Komatsu Rod Bearing Upper, Standard, 6732-31-3411
Komatsu Rod Bearing Upper, .25mm, 6736-39-3400
Komatsu Rod Bearing Upper, .25mm, 6736-39-3400
MSRP: $6.38
Our Price: $4.91
You Save: $1.47 (23 %)
Komatsu Rod Bearing Upper, .25mm, 6736-39-3400
Komatsu Rod Bearing Upper, .50mm, 6736-38-3400
Komatsu Rod Bearing Upper, .50mm, 6736-38-3400
MSRP: $6.46
Our Price: $4.48
You Save: $1.98 (31 %)
Komatsu Rod Bearing Upper, .50mm, 6736-38-3400
Komatsu Rod Bearing Upper, .75mm, 6736-37-3400
Komatsu Rod Bearing Upper, .75mm, 6736-37-3400
MSRP: $6.91
Our Price: $5.02
You Save: $1.89 (27 %)
Komatsu Rod Bearing Upper, .75mm, 6736-37-3400
Komatsu Rod Bearing Upper, 1.00mm, 6736-36-3400
Komatsu Rod Bearing Upper, 1.00mm, 6736-36-3400
MSRP: $7.55
Our Price: $5.25
You Save: $2.30 (30 %)
Komatsu Rod Bearing Upper, 1.00mm, 6736-36-3400
Komatsu Thrust Bearing, Standard, 6754-22-8310
Komatsu Thrust Bearing, Standard, 6754-22-8310
MSRP: $20.40
Our Price: $15.69
You Save: $4.71 (23 %)
Komatsu Thrust Bearing, Standard, 6754-22-8310
Komatsu Thrust Bearing, .50mm, 6754-28-8310
Komatsu Thrust Bearing, .50mm, 6754-28-8310
MSRP: $33.38
Our Price: $24.74
You Save: $8.64 (26 %)
Komatsu Thrust Bearing, .50mm, 6754-28-8310
Komatsu Head Gasket Set, 6731-11-9980
Komatsu Head Gasket Set, 6731-11-9980
MSRP: $188.51
Our Price: $184.26
You Save: $4.25 (2 %)
Komatsu Head Gasket Set, 6731-11-9980
Komatsu Lower Gasket Set, 6735-01-1210
Komatsu Lower Gasket Set, 6735-01-1210
MSRP: $135.65
Our Price: $132.99
You Save: $2.66 (2 %)
Komatsu Lower Gasket Set, 6735-01-1210
Komatsu Oil Pan Gasket, 6735-21-5661
Komatsu Oil Pan Gasket, 6735-21-5661
MSRP: $33.55
Our Price: $20.94
You Save: $12.61 (38 %)
Komatsu Oil Pan Gasket, 6735-21-5661
Komatsu Front Seal Kit, 6731-21-4220
Komatsu Front Seal Kit, 6731-21-4220
MSRP: $16.65
Our Price: $13.19
You Save: $3.46 (21 %)
Komatsu Front Seal Kit, 6731-21-4220
Komatsu Rear Seal and Sleeve, 6736-39-1130
Komatsu Rear Seal and Sleeve, 6736-39-1130
MSRP: $48.44
Our Price: $37.26
You Save: $11.18 (23 %)
Komatsu Rear Seal and Sleeve, 6736-39-1130
Wet housings
Komatsu Rear Seal and Sleeve, 6736-39-1140
Komatsu Rear Seal and Sleeve, 6736-39-1140
MSRP: $50.62
Our Price: $49.04
You Save: $1.58 (3 %)
Komatsu Rear Seal and Sleeve, 6736-39-1140
Dry housings
Komatsu Gasket Maker, 3oz Tube, TB1207C
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 Oil Cooler Gasket, 6732-61-2311
Komatsu Oil Cooler Gasket, 6732-61-2311
MSRP: $18.41
Our Price: $11.95
You Save: $6.46 (35 %)
Komatsu Oil Cooler Gasket, 6732-61-2311
Komatsu Expansion Plug, 6736-21-1810
Komatsu Expansion Plug, 6736-21-1810
MSRP: $3.02
Our Price: $1.58
You Save: $1.44 (48 %)
Komatsu Expansion Plug, 6736-21-1810
Komatsu Connecting Rod, 6737-32-3121
Komatsu Connecting Rod, 6737-32-3121
MSRP: $147.96
Our Price: $121.18
You Save: $26.78 (18 %)
Komatsu Connecting Rod, 6737-32-3121
Komatsu Rod Bolt, 6732-31-3311
Komatsu Rod Bolt, 6732-31-3311
MSRP: $7.51
Our Price: $4.50
You Save: $3.01 (40 %)
Komatsu Rod Bolt, 6732-31-3311
Komatsu Piston Pin Bushing, 6732-31-3132
Komatsu Piston Pin Bushing, 6732-31-3132
MSRP: $9.10
Our Price: $5.33
You Save: $3.77 (41 %)
Komatsu Piston Pin Bushing, 6732-31-3132
Komatsu Camshaft without gear, 6736-41-1111
Komatsu Camshaft without gear, 6736-41-1111
MSRP: $284.96
Our Price: $279.37
You Save: $5.59 (2 %)
Komatsu Camshaft without gear, 6736-41-1111
Komatsu Camshaft, 6735-41-1111
Komatsu Camshaft, 6735-41-1111
MSRP: $310.47
Our Price: $292.92
You Save: $17.55 (6 %)
Komatsu Camshaft, 6735-41-1111
Komatsu Camshaft Bearing, 6732-21-1410
Komatsu Camshaft Bearing, 6732-21-1410
MSRP: $4.86
Our Price: $4.36
You Save: $0.50 (10 %)
Komatsu Camshaft Bearing, 6732-21-1410
Komatsu Camshaft Bearing, 6732-21-1412
Komatsu Camshaft Bearing, 6732-21-1412
MSRP: $9.15
Our Price: $5.53
You Save: $3.62 (40 %)
Komatsu Camshaft Bearing, 6732-21-1412
Komatsu Crankshaft with Gear, 6735-01-1310
Komatsu Crankshaft with Gear, 6735-01-1310
MSRP: $1,199.45
Our Price: $998.53
You Save: $200.92 (17 %)
Komatsu Crankshaft with Gear, 6735-01-1310
Komatsu Valve Spring, 6732-41-4430
Komatsu Valve Spring, 6732-41-4430
MSRP: $8.64
Our Price: $4.56
You Save: $4.08 (47 %)
Komatsu Valve Spring, 6732-41-4430
36 psi
Komatsu Valve Seat, 6732-11-1170
Komatsu Valve Seat, 6732-11-1170
MSRP: $10.93
Our Price: $6.56
You Save: $4.37 (40 %)
Komatsu Valve Seat, 6732-11-1170
Exhaust
Komatsu Valve Seat, 6732-11-1180
Komatsu Valve Seat, 6732-11-1180
MSRP: $8.21
Our Price: $4.68
You Save: $3.53 (43 %)
Komatsu Valve Seat, 6732-11-1180
Intake
Komatsu Valve Seat, 6736-19-1440
Komatsu Valve Seat, 6736-19-1440
MSRP: $13.83
Our Price: $8.54
You Save: $5.29 (38 %)
Komatsu Valve Seat, 6736-19-1440
Exhaust
Komatsu Valve Spring Retainer, Upper, 6732-41-4510
Komatsu Valve Spring Retainer, Upper, 6732-41-4510
MSRP: $6.56
Our Price: $1.61
You Save: $4.95 (75 %)
Komatsu Valve Spring Retainer, Upper, 6732-41-4510
Komatsu Valve Seal, 6732-41-4540
Komatsu Valve Seal, 6732-41-4540
MSRP: $2.98
Our Price: $1.77
You Save: $1.21 (41 %)
Komatsu Valve Seal, 6732-41-4540
Komatsu Push Rod, 6732-41-3111
Komatsu Push Rod, 6732-41-3111
MSRP: $8.05
Our Price: $4.32
You Save: $3.73 (46 %)
Komatsu Push Rod, 6732-41-3111
Komatsu Head Bolt, 6732-11-1610
Komatsu Head Bolt, 6732-11-1610
MSRP: $8.05
Our Price: $4.32
You Save: $3.73 (46 %)
Komatsu Head Bolt, 6732-11-1610
Komatsu Head Bolt, 6732-11-1620
Komatsu Head Bolt, 6732-11-1620
MSRP: $6.33
Our Price: $3.46
You Save: $2.87 (45 %)
Komatsu Head Bolt, 6732-11-1620
Komatsu Cylinder Block, 6731-21-1270
Komatsu Cylinder Block, 6731-21-1270
MSRP: $2,117.18
Our Price: $1,842.62
You Save: $274.56 (13 %)
Komatsu Cylinder Block, 6731-21-1270
Komatsu Cylinder Head, Loaded, 6731-12-1240
Komatsu Cylinder Head, Loaded, 6731-12-1240
MSRP: $1,289.22
Our Price: $1,132.34
You Save: $156.88 (12 %)
Komatsu Cylinder Head, Loaded, 6731-12-1240
Komatsu Oil Cooler Core, 6735-61-2110
Komatsu Oil Cooler Core, 6735-61-2110
MSRP: $118.84
Our Price: $91.71
You Save: $27.13 (23 %)
Komatsu Oil Cooler Core, 6735-61-2110
Komatsu Oil Pump, 6731-51-1111
Komatsu Oil Pump, 6731-51-1111
MSRP: $121.39
Our Price: $101.15
You Save: $20.24 (17 %)
Komatsu Oil Pump, 6731-51-1111
Komatsu Thermostat Kit, 6735-61-1690
Komatsu Thermostat Kit, 6735-61-1690
MSRP: $33.47
Our Price: $22.54
You Save: $10.93 (33 %)
Komatsu Thermostat Kit, 6735-61-1690
Komatsu Fuel Lift Pump, 6734-71-1730
Komatsu Fuel Lift Pump, 6734-71-1730
MSRP: $133.39
Our Price: $102.94
You Save: $30.45 (23 %)
Komatsu Fuel Lift Pump, 6734-71-1730
Komatsu Fuel Lift Pump, 6735-71-1721
Komatsu Fuel Lift Pump, 6735-71-1721
MSRP: $129.79
Our Price: $102.94
You Save: $26.85 (21 %)
Komatsu Fuel Lift Pump, 6735-71-1721
Komatsu Fuel Lift Pump, 6736-72-6530
Komatsu Fuel Lift Pump, 6736-72-6530
MSRP: $58.32
Our Price: $42.11
You Save: $16.21 (28 %)
Komatsu Fuel Lift Pump, 6736-72-6530
Komatsu Fuel Filter Separator, 6732-71-6120
Komatsu Fuel Filter Separator, 6732-71-6120
MSRP: $22.14
Our Price: $13.90
You Save: $8.24 (37 %)
Komatsu Fuel Filter Separator, 6732-71-6120
Komatsu Fuel Filter, 6732-71-6111
Komatsu Fuel Filter, 6732-71-6111
MSRP: $11.23
Our Price: $6.63
You Save: $4.60 (41 %)
Komatsu Fuel Filter, 6732-71-6111