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4D105-5H, 4D105-5T, Build 5C

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 - 51 of 51 results
Komatsu 4D105-5H, 4D105-5T Engine Inframe Overhaul Rebuild Kit
Our Price: From $1,342.48 to $1,519.68
Komatsu 4D105-5H, 4D105-5T Engine Inframe Overhaul Rebuild Kit
Engine Serial Number 152520-Up
free shipping
Komatsu Cylinder Kit, KMP2030
MSRP: $161.35
Our Price: $144.06
You Save: $17.29 (11 %)
Komatsu Cylinder Kit, KMP2030
Komatsu Cylinder Liner with Seals, 6137-22-2210S
MSRP: $53.22
Our Price: $46.69
You Save: $6.53 (12 %)
Komatsu Cylinder Liner with Seals, 6137-22-2210S
Komatsu Cylinder Liner, 6137-22-2210
MSRP: $29.33
Our Price: $26.91
You Save: $2.42 (8 %)
Komatsu Cylinder Liner, 6137-22-2210
Komatsu Liner Seal Set, KMP-SK-105B
MSRP: $10.64
Our Price: $9.67
You Save: $0.97 (9 %)
Komatsu Liner Seal Set, KMP-SK-105B
Komatsu Piston Ring Set, 1 cylinder, 6136-31-2030
MSRP: $30.74
Our Price: $26.73
You Save: $4.01 (13 %)
Komatsu Piston Ring Set, 1 cylinder, 6136-31-2030
Komatsu Piston Pin, 6161-31-2410
MSRP: $65.09
Our Price: $57.10
You Save: $7.99 (12 %)
Komatsu Piston Pin, 6161-31-2410
Komatsu Main Bearing Set, Standard, 6134-22-8000
MSRP: $103.51
Our Price: $92.42
You Save: $11.09 (11 %)
Komatsu Main Bearing Set, Standard, 6134-22-8000
Komatsu Main Bearing, Standard, 6136-21-8010
MSRP: $12.71
Our Price: $11.06
You Save: $1.65 (13 %)
Komatsu Main Bearing, Standard, 6136-21-8010
Komatsu Main Bearing, .25mm, 6136-29-8010
MSRP: $13.08
Our Price: $11.37
You Save: $1.71 (13 %)
Komatsu Main Bearing, .25mm, 6136-29-8010
Komatsu Main Bearing, .50mm, 6136-28-8010
MSRP: $10.43
Our Price: $9.15
You Save: $1.28 (12 %)
Komatsu Main Bearing, .50mm, 6136-28-8010
Komatsu Main Bearing, .75mm, 6136-27-8010
MSRP: $15.72
Our Price: $14.16
You Save: $1.56 (10 %)
Komatsu Main Bearing, .75mm, 6136-27-8010
Komatsu Main Bearing, 1.00mm, 6136-26-8010
MSRP: $18.84
Our Price: $17.45
You Save: $1.39 (7 %)
Komatsu Main Bearing, 1.00mm, 6136-26-8010
Komatsu Rod Bearing, Standard, 6138-31-3040
MSRP: $23.77
Our Price: $20.85
You Save: $2.92 (12 %)
Komatsu Rod Bearing, Standard, 6138-31-3040
Komatsu Rod Bearing, .25mm, 6138-39-3040
MSRP: $8.12
Our Price: $7.52
You Save: $0.60 (7 %)
Komatsu Rod Bearing, .25mm, 6138-39-3040
Komatsu Rod Bearing, .50mm, 6138-38-3040
MSRP: $9.59
Our Price: $8.88
You Save: $0.71 (7 %)
Komatsu Rod Bearing, .50mm, 6138-38-3040
Komatsu Rod Bearing, .75mm, 6138-36-3040
MSRP: $9.12
Our Price: $8.37
You Save: $0.75 (8 %)
Komatsu Rod Bearing, .75mm, 6138-36-3040
Komatsu Rod Bearing, .75mm, 6138-37-3040
MSRP: $10.54
Our Price: $9.50
You Save: $1.04 (10 %)
Komatsu Rod Bearing, .75mm, 6138-37-3040
Komatsu Thrust Bearing, Standard, 6134-21-8050
MSRP: $16.19
Our Price: $14.08
You Save: $2.11 (13 %)
Komatsu Thrust Bearing, Standard, 6134-21-8050
Komatsu Thrust Bearing, .25mm, 6134-29-8050
MSRP: $18.78
Our Price: $17.39
You Save: $1.39 (7 %)
Komatsu Thrust Bearing, .25mm, 6134-29-8050
Komatsu Thrust Bearing, .50mm, 6134-28-8050
MSRP: $11.22
Our Price: $9.84
You Save: $1.38 (12 %)
Komatsu Thrust Bearing, .50mm, 6134-28-8050
Komatsu Cylinder Head Gasket, 6135-12-1811
MSRP: $53.45
Our Price: $46.89
You Save: $6.56 (12 %)
Komatsu Cylinder Head Gasket, 6135-12-1811
Komatsu Head Gasket Set, 6134-K1-9901
MSRP: $270.74
Our Price: $248.39
You Save: $22.35 (8 %)
Komatsu Head Gasket Set, 6134-K1-9901
Komatsu Lower Gasket Set, 6134-K2-9901
MSRP: $402.00
Our Price: $355.76
You Save: $46.24 (12 %)
Komatsu Lower Gasket Set, 6134-K2-9901
Komatsu Rear Seal, 6130-21-4231
MSRP: $45.76
Our Price: $40.14
You Save: $5.62 (12 %)
Komatsu Rear Seal, 6130-21-4231
Komatsu Exhaust Manifold Gasket, 6135-11-5810
MSRP: $4.75
Our Price: $4.13
You Save: $0.62 (13 %)
Komatsu Exhaust Manifold Gasket, 6135-11-5810
Komatsu Front Cover Plate Gasket, 6136-21-3840
MSRP: $16.68
Our Price: $14.76
You Save: $1.92 (12 %)
Komatsu Front Cover Plate Gasket, 6136-21-3840
Komatsu Gasket Maker, 3oz Tube, TB1207C
MSRP: $10.93
Our Price: $9.67
You Save: $1.26 (12 %)
Komatsu Gasket Maker, 3oz Tube, TB1207C
Komatsu Oil Cooler Seal, 07000-22021
MSRP: $3.14
Our Price: $2.91
You Save: $0.23 (7 %)
Komatsu Oil Cooler Seal, 07000-22021
Komatsu Packing, 6136-11-3131
MSRP: $5.52
Our Price: $4.84
You Save: $0.68 (12 %)
Komatsu Packing, 6136-11-3131
Komatsu Connecting Rod, 6136-31-3101
MSRP: $215.18
Our Price: $199.25
You Save: $15.93 (7 %)
Komatsu Connecting Rod, 6136-31-3101
Komatsu Connecting Rod, 6136-32-3102
MSRP: $219.17
Our Price: $199.25
You Save: $19.92 (9 %)
Komatsu Connecting Rod, 6136-32-3102
Komatsu Rod Bolt, 6136-32-3311
MSRP: $14.17
Our Price: $12.43
You Save: $1.74 (12 %)
Komatsu Rod Bolt, 6136-32-3311
Komatsu Piston Pin Bushing, 6136-32-3130
MSRP: $9.47
Our Price: $8.54
You Save: $0.93 (10 %)
Komatsu Piston Pin Bushing, 6136-32-3130
Komatsu Valve Lifter, 6136-42-2111
MSRP: $13.38
Our Price: $11.74
You Save: $1.64 (12 %)
Komatsu Valve Lifter, 6136-42-2111
Komatsu Camshaft Bearing, 6136-21-1410
MSRP: $6.62
Our Price: $6.07
You Save: $0.55 (8 %)
Komatsu Camshaft Bearing, 6136-21-1410
Komatsu Exhaust Valve, 6136-42-4211
MSRP: $21.40
Our Price: $19.45
You Save: $1.95 (9 %)
Komatsu Exhaust Valve, 6136-42-4211
Komatsu Intake Valve, 6136-42-4110
MSRP: $7.39
Our Price: $6.66
You Save: $0.73 (10 %)
Komatsu Intake Valve, 6136-42-4110
Komatsu Valve Spring, 6136-42-4410
MSRP: $4.54
Our Price: $4.20
You Save: $0.34 (7 %)
Komatsu Valve Spring, 6136-42-4410
Komatsu Valve Lock, 6136-42-4520
MSRP: $0.89
Our Price: $0.81
You Save: $0.08 (9 %)
Komatsu Valve Lock, 6136-42-4520
Komatsu Valve Guide, 6136-19-1430
MSRP: $5.67
Our Price: $5.15
You Save: $0.52 (9 %)
Komatsu Valve Guide, 6136-19-1430
Komatsu Valve Seat, 6136-12-1310
MSRP: $8.14
Our Price: $7.20
You Save: $0.94 (12 %)
Komatsu Valve Seat, 6136-12-1310
Intake
Komatsu Valve Seat, 6136-12-1320
MSRP: $14.46
Our Price: $13.39
You Save: $1.07 (7 %)
Komatsu Valve Seat, 6136-12-1320
Exhaust
Komatsu Valve Spring Retainer, Lower, 6136-41-4530
MSRP: $1.76
Our Price: $1.57
You Save: $0.19 (11 %)
Komatsu Valve Spring Retainer, Lower, 6136-41-4530
Komatsu Valve Spring Retainer, Upper, 6136-42-4510
MSRP: $21.64
Our Price: $19.32
You Save: $2.32 (11 %)
Komatsu Valve Spring Retainer, Upper, 6136-42-4510
Komatsu Push Rod, 6136-42-3120
MSRP: $18.92
Our Price: $17.52
You Save: $1.40 (7 %)
Komatsu Push Rod, 6136-42-3120
Komatsu Water Pump, 6134-61-1410
MSRP: $554.67
Our Price: $508.88
You Save: $45.79 (8 %)
Komatsu Water Pump, 6134-61-1410
Komatsu Water Pump Seal, 6131-62-1340
MSRP: $35.79
Our Price: $32.53
You Save: $3.26 (9 %)
Komatsu Water Pump Seal, 6131-62-1340
Komatsu Thermostat, 600-421-6210
MSRP: $38.59
Our Price: $33.85
You Save: $4.74 (12 %)
Komatsu Thermostat, 600-421-6210
Komatsu Injector Sleeve, 6136-11-1130
MSRP: $25.12
Our Price: $22.63
You Save: $2.49 (10 %)
Komatsu Injector Sleeve, 6136-11-1130
Komatsu Fuel Filter, 600-311-6221
MSRP: $16.55
Our Price: $14.52
You Save: $2.03 (12 %)
Komatsu Fuel Filter, 600-311-6221