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4D105-3C, Build 5A

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 - 49 of 49 results
Komatsu 4D105-3C Engine Inframe Overhaul Rebuild Kit
Our Price: From $906.18 to $1,502.06
Komatsu 4D105-3C Engine Inframe Overhaul Rebuild Kit
Engine Serial Number 40138-Up
free shipping
Komatsu Cylinder Kit, KMP6130
MSRP: $196.94
Our Price: $179.04
You Save: $17.90 (9 %)
Komatsu Cylinder Kit, KMP6130
Komatsu Cylinder Liner with Seals, 6130-22-2310S
MSRP: $84.96
Our Price: $77.24
You Save: $7.72 (9 %)
Komatsu Cylinder Liner with Seals, 6130-22-2310S
Komatsu Cylinder Liner, 6130-22-2310
MSRP: $56.58
Our Price: $50.07
You Save: $6.51 (12 %)
Komatsu Cylinder Liner, 6130-22-2310
Komatsu Liner Seal Set, KMP-SK-105A
MSRP: $10.51
Our Price: $9.22
You Save: $1.29 (12 %)
Komatsu Liner Seal Set, KMP-SK-105A
Komatsu Piston with pin retainers, 6130-32-2110
MSRP: $92.23
Our Price: $85.40
You Save: $6.83 (7 %)
Komatsu Piston with pin retainers, 6130-32-2110
Komatsu Piston Ring Set, 1 cylinder, 6130-32-2302
MSRP: $52.25
Our Price: $47.50
You Save: $4.75 (9 %)
Komatsu Piston Ring Set, 1 cylinder, 6130-32-2302
Komatsu Piston Pin, 6130-31-2410
MSRP: $11.69
Our Price: $10.53
You Save: $1.16 (10 %)
Komatsu Piston Pin, 6130-31-2410
Komatsu Piston Pin Retainer, 6130-31-2510
MSRP: $5.50
Our Price: $5.04
You Save: $0.46 (8 %)
Komatsu Piston Pin Retainer, 6130-31-2510
Komatsu Main Bearing Set, Standard, 6130-21-8001
MSRP: $201.77
Our Price: $178.56
You Save: $23.21 (12 %)
Komatsu Main Bearing Set, Standard, 6130-21-8001
Komatsu Main Bearing Set, Standard, 6130-21-8101
MSRP: $178.74
Our Price: $159.59
You Save: $19.15 (11 %)
Komatsu Main Bearing Set, Standard, 6130-21-8101
Komatsu Main Bearing, Standard, 6130-21-8011
MSRP: $30.62
Our Price: $28.10
You Save: $2.52 (8 %)
Komatsu Main Bearing, Standard, 6130-21-8011
Komatsu Main Bearing, Standard, 6130-21-8021
MSRP: $30.34
Our Price: $28.10
You Save: $2.24 (7 %)
Komatsu Main Bearing, Standard, 6130-21-8021
Komatsu Main Bearing, .25mm, 6130-29-8101
MSRP: $109.02
Our Price: $100.02
You Save: $9.00 (8 %)
Komatsu Main Bearing, .25mm, 6130-29-8101
Komatsu Main Bearing, .50mm, 6130-28-8101
MSRP: $64.34
Our Price: $57.96
You Save: $6.38 (10 %)
Komatsu Main Bearing, .50mm, 6130-28-8101
Komatsu Main Bearing, .75mm, 6130-27-8101
MSRP: $73.19
Our Price: $65.94
You Save: $7.25 (10 %)
Komatsu Main Bearing, .75mm, 6130-27-8101
Komatsu Rod Bearing, Standard, 6130-31-3041
MSRP: $13.76
Our Price: $12.51
You Save: $1.25 (9 %)
Komatsu Rod Bearing, Standard, 6130-31-3041
Komatsu Rod Bearing, .25mm, 6130-39-3041
MSRP: $8.70
Our Price: $7.77
You Save: $0.93 (11 %)
Komatsu Rod Bearing, .25mm, 6130-39-3041
Komatsu Rod Bearing, .50mm, 6130-38-3041
MSRP: $9.73
Our Price: $8.54
You Save: $1.19 (12 %)
Komatsu Rod Bearing, .50mm, 6130-38-3041
Komatsu Rod Bearing, .75mm, 6130-36-3041
MSRP: $8.86
Our Price: $7.77
You Save: $1.09 (12 %)
Komatsu Rod Bearing, .75mm, 6130-36-3041
Komatsu Rod Bearing, .75mm, 6130-37-3041
MSRP: $14.92
Our Price: $13.20
You Save: $1.72 (12 %)
Komatsu Rod Bearing, .75mm, 6130-37-3041
Komatsu Thrust Bearing, Standard, 6130-21-8500
MSRP: $48.79
Our Price: $42.43
You Save: $6.36 (13 %)
Komatsu Thrust Bearing, Standard, 6130-21-8500
Komatsu Thrust Bearing, .25mm, 6130-29-8500
MSRP: $32.99
Our Price: $28.94
You Save: $4.05 (12 %)
Komatsu Thrust Bearing, .25mm, 6130-29-8500
Komatsu Thrust Bearing, .50mm, 6130-28-8500
MSRP: $32.12
Our Price: $28.94
You Save: $3.18 (10 %)
Komatsu Thrust Bearing, .50mm, 6130-28-8500
Komatsu Cylinder Head Gasket, 6131-11-1812
MSRP: $25.02
Our Price: $22.95
You Save: $2.07 (8 %)
Komatsu Cylinder Head Gasket, 6131-11-1812
Komatsu Head Gasket Set, 6131-K1-9901
MSRP: $149.44
Our Price: $133.43
You Save: $16.01 (11 %)
Komatsu Head Gasket Set, 6131-K1-9901
Komatsu Lower Gasket Set, 6130-K2-9901
MSRP: $554.59
Our Price: $486.48
You Save: $68.11 (12 %)
Komatsu Lower Gasket Set, 6130-K2-9901
Komatsu Oil Pan Gasket, 6130-21-5812
MSRP: $36.76
Our Price: $34.04
You Save: $2.72 (7 %)
Komatsu Oil Pan Gasket, 6130-21-5812
Komatsu Front Seal, 6130-22-3290
MSRP: $17.13
Our Price: $15.02
You Save: $2.11 (12 %)
Komatsu Front Seal, 6130-22-3290
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 Valve Cover Gasket, 6130-11-7821
MSRP: $13.09
Our Price: $11.39
You Save: $1.70 (13 %)
Komatsu Valve Cover Gasket, 6130-11-7821
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 Gasket, 6610-71-8350
MSRP: $0.71
Our Price: $0.63
You Save: $0.08 (11 %)
Komatsu Gasket, 6610-71-8350
Komatsu Thermostat Gasket, 6140-11-6331
MSRP: $4.30
Our Price: $3.74
You Save: $0.56 (13 %)
Komatsu Thermostat Gasket, 6140-11-6331
Komatsu Piston Pin Bushing, 6130-31-3130
MSRP: $17.59
Our Price: $15.70
You Save: $1.89 (11 %)
Komatsu Piston Pin Bushing, 6130-31-3130
Komatsu Camshaft without gear, 6130-42-1600
MSRP: $562.67
Our Price: $516.21
You Save: $46.46 (8 %)
Komatsu Camshaft without gear, 6130-42-1600
Komatsu Camshaft Bearing, 6130-21-1410
MSRP: $6.72
Our Price: $6.00
You Save: $0.72 (11 %)
Komatsu Camshaft Bearing, 6130-21-1410
Komatsu Camshaft Bearing, 6130-21-1420
MSRP: $6.48
Our Price: $6.00
You Save: $0.48 (7 %)
Komatsu Camshaft Bearing, 6130-21-1420
Komatsu Camshaft Bearing, 6130-21-1430
MSRP: $7.38
Our Price: $6.77
You Save: $0.61 (8 %)
Komatsu Camshaft Bearing, 6130-21-1430
Komatsu Exhaust Valve, 6130-41-4210
MSRP: $15.55
Our Price: $14.40
You Save: $1.15 (7 %)
Komatsu Exhaust Valve, 6130-41-4210
Komatsu Intake Valve, 6130-41-4131
MSRP: $17.87
Our Price: $16.55
You Save: $1.32 (7 %)
Komatsu Intake Valve, 6130-41-4131
Komatsu Valve Guide, 6130-19-1310
MSRP: $7.08
Our Price: $6.33
You Save: $0.75 (11 %)
Komatsu Valve Guide, 6130-19-1310
Komatsu Valve Seat, 6130-11-1323
MSRP: $19.57
Our Price: $17.95
You Save: $1.62 (8 %)
Komatsu Valve Seat, 6130-11-1323
Exhaust
Komatsu Valve Spring Retainer, Lower, 6130-41-4620
MSRP: $12.36
Our Price: $11.45
You Save: $0.91 (7 %)
Komatsu Valve Spring Retainer, Lower, 6130-41-4620
Komatsu Valve Spring Retainer, Upper, 6130-41-4511
MSRP: $14.45
Our Price: $12.67
You Save: $1.78 (12 %)
Komatsu Valve Spring Retainer, Upper, 6130-41-4511
Komatsu Thermostat, 600-421-6110
MSRP: $28.57
Our Price: $24.84
You Save: $3.73 (13 %)
Komatsu Thermostat, 600-421-6110
Komatsu Injector Sleeve, 6130-11-1131
MSRP: $31.30
Our Price: $27.46
You Save: $3.84 (12 %)
Komatsu Injector Sleeve, 6130-11-1131
Komatsu Fuel Filter, 600-311-8222
MSRP: $13.16
Our Price: $11.54
You Save: $1.62 (12 %)
Komatsu Fuel Filter, 600-311-8222
Komatsu Oil Filter, 600-211-5242
MSRP: $17.60
Our Price: $15.58
You Save: $2.02 (11 %)
Komatsu Oil Filter, 600-211-5242