Komatsu Parts Powerhouse: Genuine OEM and Aftermarket Solutions - March 27, 2025

Your Reliable Source for Komatsu Excavator Components and More!

Growshine International (格莳国际) is your premier destination for high-quality engineering machinery parts, heavy truck parts, agricultural machinery parts, and auto parts. We specialize in the import and export of both genuine OEM and reliable aftermarket components. Explore our extensive inventory featuring parts for Komatsu excavators, wheel loaders, bulldozers, and other heavy equipment.

Featured Komatsu and Other Brand Parts

Genuine New Original OEM Komatsu Kit 14 Pc: 549254R91, 549254R91
New Original OEM Case New Holland / Komatsu Gasket: BS69004, BS69004
Okada UB11A2 Breaker Hammer Seal Kit for Kubota, Caterpillar, Hitachi, Komatsu, John Deere Excavator: Okada UB11A2
Komatsu Piston with pin retainers: 6164-31-2110, 6164312110
Boom Swing Cylinder Seal Kit for Komatsu Excavator PC45MR-1 PC45MRX-1: 707-98-29620, 7079829620
Komatsu Rear Seal and Sleeve: 6736-39-1140, 6736391140
Piston Pin Bush 4 Units 1 Set for Komatsu Wheel Loader WA75-3 WA85-3 Yanmar Engine 4TNE98 Komatsu Engine 4D98E: 4TNE98, 4D98E
Hydraulic Motor for Komatsu Excavator WA250-5 WA250-6 WA250PT-5 WA250PZ-5 WA250PZ-6: 418-18-31202, 4181831202, 418-18-31203, 4181831203
Cover made to fit Komatsu: Ca0118526
O-Ring made to fit Komatsu: Dk029633-1020, Dk0296331020
New Original OEM Komatsu Hose: CY19816200720
Fuel Filter for Komatsu Caterpillar CAT Engine 3176 3412 3406 Loader 980C 980F: 1R-0712, 1R0712, 3I-1333, 3I1333, 3I-0752, 3I0752
New Original OEM Komatsu Valve: 12780A
Komatsu Liner Seal Set: KMP-SK-140, KMPSK140
Komatsu Push Rod: 6150-41-3111, 6150413111
Bearing made to fit Komatsu: 06000-32216, 0600032216
Center Swivel Joint for Komatsu PC400-8 PC450-7 PC400-7 Excavator: 703-08-33652, 7030833652
VBelt Set made to fit Komatsu: 206-979-K430, 206979K430
New Original OEM Komatsu Screw: 123670R1
Komatsu Rod Bearing Upper, .25mm: 6736-39-3400, 6736393400
Bearing made to fit Komatsu: 06030-22312, 0603022312
1 Set Main Bearing for Yanmar 3TNE88 Komatsu 3D88 Engine: 129001-02931, 12900102931, 129150-02871, 12915002871
Arm Cylinder Seal Kit for Komatsu Excavator PC10-3: PC10-3, PC103
Thermostat for Komatsu Engine 3D82AE-3 3D82AE-5 3D82AE-6 3D84E-5 3D88E-5 3D88E-6 4D88E-3 4D88E-5 4D88E-6 S3D84E-5 S4D84E-5: YM129155-49801, YM12915549801
Komatsu Piston Ring Set, 1 cylinder: 6150-32-2030, 6150322030
Service Kit made to fit Komatsu: 561-22-05060, 5612205060
Water Pump for Komatsu Engine 6D95L Bulldozer D37A-5 D37E-5 D37P-5A D37PG-5A: 6206-61-1501, 6206611501, 6206-61-1502, 6206611502, 6206-61-1504, 6206611504
Back-Up Ring made to fit Komatsu: 07146-02056, 0714602056
Komatsu Liner Seal Set: KMP-SK-170, KMPSK170
O-Ring made to fit Komatsu: 07002-01223, 0700201223
Komatsu Rod Bearing Half, Standard: 6743-31-3210, 6743313210
Komatsu Main Bearing Set, Standard: 6150-21-8000, 6150218000
Gear Pump for Komatsu Doosan Daewoo Excavator DX225NLC DX235NLC DH225-9 DH215-9 DH220-9: K9004530
New Original OEM Komatsu Bushing: 657782R1
New Aftermarket KOMATSU Sleeve Injector: 6136-11-1130, 6136111130
Komatsu Valve Spring: 6204-41-4431, 6204414431
Komatsu Piston Ring Set, .50mm, 1 cylinder: 6735-31-2050, 6735312050
New Original OEM Komatsu Ring: 631240R1
Gasket made to fit Komatsu: Ca0120209
New Original OEM Case New Holland / Komatsu Bearing: V31383
Water Pump for Komatsu Engine 6D95L S6D95L Forklift FD35-4 FD35-5 FD45-4 FD45-5 FD50 FD70: 6206-61-1503, 6206611503
12V 60A Alternator for Komatsu Engine 4D92E-1 4D94E-1 4D98E-1 Excavator PC75-1 PW75-1 PW75R-2: YM129900-77210, YM12990077210
Seal Kit Bucket Cylinder made to fit Komatsu: 707-98-25980, 7079825980
Bucket Cylinder Seal Kit for Komatsu Excavator PC100-1 PC100-2 PC100-3 PC100-5 PC100-6: PC100-1, PC1001, PC100-2, PC1002, PC100-3, PC1003, PC100-5, PC1005, PC100-6, PC1006
Roller Bearing for Komatsu Dozer D150A-1 D155A-1 D155A-2 D155A-2A D155S-1 D155W-1 Excavator PC400-1: 170-09-13220, 1700913220
New Original OEM Komatsu Pin: 621040C1
Crankshaft for Komatsu Engine SAA6D114E-5: 6746-31-1120, 6746311120
New Aftermarket KOMATSU Bolt Conrod: 1304869H1
New Aftermarket KOMATSU Filter Oil (Cartridge): 600-211-1340, 6002111340
Ring made to fit Komatsu: 707-51-20650, 7075120650
New Original OEM Komatsu Switch: 5177633
KOMATSU PC55 Travel Motor Assembly
Dust Seal made to fit Komatsu: 707-56-16740, 7075616740
New Original OEM Komatsu S Pc R: 3139311R1
Komatsu Cylinder Liner with Seals: 6211-22-2220S, 6211222220S
A/C Compressor for Komatsu PC1800-6 WA380-DZ-3 D41E-6 D41P-6 D41PF-6 D61E-12 D61EX-12 D61PX-12 D68ESS-12: 20Y-979-8130, 20Y9798130
New Original OEM Case New Holland / Komatsu Auger: 489061R1
New Aftermarket KOMATSU Pin: 419-70-11981, 4197011981
For Komatsu Knob Cover
Komatsu Rear Seal and Sleeve: 6736-39-1130, 6736391130
New Original OEM Case New Holland / Komatsu Flange: 165385
Seal Ring made to fit Komatsu: 582-15-19240, 5821519240
New Original OEM Komatsu Screen: 390243R11
Tie Rod made to fit Komatsu: Ca0122600
Komatsu Thermostat Gasket: 6140-11-6331, 6140116331
New Original OEM Case New Holland / Komatsu Trim: 133348R1
Arm Cylinder Seal Kit for Doosan Komatsu Daewoo Excavator SOLAR 035 DH35: 2440-9205KT, 24409205KT
Valve made to fit Komatsu: 170-64-12760, 1706412760
New Aftermarket KOMATSU Liner & Seal Kit: 1318204H91
1 Set Main & Connecting Rod Bearing for Komatsu Engine S6D95L-1 S6D95L
Shim made to fit Komatsu: 421-46-11770, 4214611770
New Original OEM Komatsu Pin: D61971
Engine Overhaul Kit Komatsu S6D1023C-F-US (Standard) for piston 6735-31-2111(EK6A) made to fit Komatsu: 6735-31-2111EK4A-S6D1023C-F-US, 6735312111EK4AS6D1023CFUS, 6735-31-2111, 6735312111
Bearing made to fit Komatsu: 06030-06310, 0603006310
New Aftermarket KOMATSU Hyd Cyl Kit: 195-63-05120, 1956305120
Komatsu Rod Bearing, Standard: 6151-31-3040, 6151313040
Hydraulic Valve for Komatsu Excavator PC200-7 PC220-7 PC228US-3 PC230-7-AA PC220LC-7L
Plate made to fit Komatsu: 145-13-22670, 1451322670
Bearing made to fit Komatsu: 06000-32220, 0600032220
New Original OEM Case New Holland / Komatsu Bracket: 131056
Bearing Roller made to fit Komatsu: 195-27-11420, 1952711420
Pad made to fit Komatsu: 198-30-69230, 1983069230
Back-Up Ring made to fit Komatsu: 707-35-31760, 7073531760
Piston Pin made to fit Komatsu: 6120-31-2410, 6120312410
New Original OEM Komatsu Overhaul Kit: 1890946C91
Komatsu Camshaft Bearing: 6210-21-1490, 6210211490
Pre-Cleaner for Komatsu D85EX-18 D85PX-18 PC1250SP-8R PC350-8M0 PC450-8R WA320-6: 421-U12-3102, 421U123102
New Original OEM Case New Holland / Komatsu Screw: 1932242
New Aftermarket KOMATSU Oil Pump: 6240-51-1100, 6240511100
New Aftermarket KOMATSU Lower Water Hose: 207-03-61180, 2070361180
Gasket made to fit Komatsu: 6735-11-4812, 6735114812
New Aftermarket KOMATSU Fuel Line: 6211-71-5110, 6211715110
Gasket made to fit Komatsu: 6205-51-7611, 6205517611
Bearing made to fit Komatsu: 14X-27-11531, 14X2711531
Komatsu Piston Pin Bushing: 6162-33-3131, 6162333131
Seal Ring for Komatsu Dozer D155A-1 D155A-2 D155S-1 D155W-1 D355A-3 D355A-3X D355A-5 D455A-1: 07018-11805, 0701811805
O-Ring made to fit Komatsu: 07000-03072, 0700003072
Komatsu Connecting Rod: 6204-31-3101, 6204313101
New Aftermarket Komatsu Valve, Exhaust: 6136-41-4211, 6136414211
Transmission Switch for Komatsu WA380-3 WA420-3 WA470-3 WA480-6 WA320-3 WA300-3 WA500-3 WA600-6 WA900-3: 417-43-26212, 4174326212
New Original OEM Komatsu Breaker: E5NN15N852AB
Service Kit made to fit Komatsu: 415-15-05101, 4151505101
New Original OEM Case New Holland / Komatsu Bolt: GW9558
New Aftermarket KOMATSU Gasket: 6251-21-3231, 6251213231
108T Fly Wheel Gear Ring for Komatsu Engnie 4D102
Engine Overhaul Kit Komatsu 4D95S-0C-F-AP (Standard) for piston 6202-32-2140(EK4A) made to fit Komatsu: 6202-32-2140EK4A-4D95S-0C-F-AP, 6202322140EK4A4D95S0CFAP, 6202-32-2140, 6202322140
Ignition Switch With 2 Keys for Komatsu PC10-6 PC12UU-1 PC15-2 PC20-6 PC25-1 PC30-6 PC40-6 PC45-1: 20S-06-31130, 20S0631130
New Original OEM Case New Holland / Komatsu Rollerbea Ring: E5TW1240AA
New Original OEM Case New Holland / Komatsu Lock: 76236R93
New Original OEM Komatsu Stud: TH26188
New Aftermarket Komatsu Filter, Oil (Cartridge): 6136-51-5121, 6136515121
New Original OEM Case New Holland / Komatsu Ring: D37290
Fuel Filter Assembly for Komatsu Engine 3D78AE-3A 3D82AE-3C 3D82E-3B Excavator PC10-7 PC30FR-1 PC30FR-2: YM119833-55621, YM11983355621, YM119833-55620, YM11983355620
O Ring made to fit Komatsu: 198-09-31640, 1980931640
Coupling made to fit Komatsu: DK156602-0200, DK1566020200
Bearing made to fit Komatsu: 06000-06018, 0600006018
Crankshaft for Komatsu NTO-6 NH-220 Engine: 6623-31-1111, 6623311111
New Original OEM Case New Holland / Komatsu Clevis: D43802
Komatsu Liner Seal Set: KMP-SK-155, KMPSK155
For Komatsu Excavator PC120-6 Engine 4D102 Swing 2nd Copper Bush
New Original OEM Case New Holland / Komatsu Bush: ZWE2002008
Complete Cylinder Head with Valves for Komatsu Engine 4D102E-1A 4D102E-1B 4D102E-1B-1 4D102E-1B-M 4D102E-1C 4D102E-1C-1C 4D102E-1C-US 4D102E-1G 4D102E-1-X
Hydraulic Pump for Komatsu Grader GD705A-4A GD705A-4 GD705A-3A GD705A-3: 705-52-20090, 7055220090, 705-52-20160, 7055220160
New Original OEM Case New Holland / Komatsu Pin: NDA77664A
Piston Ring made to fit Komatsu: 723-46-16180, 7234616180
Komatsu Thrust Bearing, Standard: 6204-21-8500, 6204218500
Overhaul Gasket Kit for Komatsu Engine S6D170-1L S6D170E-2A SA6D170-B-1 Excavator PC1000-1 Loader WA700-1L WA700-3L
Komatsu Head Gasket Set: 6206-K1-9901, 6206K19901
Service Kit made to fit Komatsu: 144-13-05200, 1441305200
New Original OEM Komatsu Head: 100434A1
Komatsu Thrust Bearing, 1.00mm: 6127-26-8051, 6127268051
New Original OEM Case New Holland / Komatsu Spacer: 33-1192T1
Gasket made to fit Komatsu: EA504081248
Hydraulic Pump for Komatsu Excavator PC200-1 PC220-1 PC150-1 PC150LC-1 PW100-1: 706-66-11201, 7066611201, 706-66-13201, 7066613201
STD Piston Ring Set for Mitsubishi Engine L3E Komatsu Doosan Daewoo SOLAR 015PLUS: MM433713
Komatsu Rod Bearing, Standard: 6207-31-3300, 6207313300
Spacer made to fit Komatsu: 20Y-27-11250, 20Y2711250
Komatsu Connecting Rod: 6136-31-3101, 6136313101
Komatsu Valve Spring Retainer, Upper: 6136-42-4510, 6136424510
New Original OEM Komatsu Handle: L35746
New Original OEM Komatsu Hook: 22478K
New Aftermarket KOMATSU Out-Of-Frame Kit: KMP1027,OFK, KMP1027OFK
Tube made to fit Komatsu: 6245-71-5111, 6245715111
Komatsu Main Bearing, .75mm: 6204-27-8100, 6204278100
Komatsu Crankshaft: 6162-33-1202, 6162331202
Komatsu Valve Lifter: 6221-41-2110, 6221412110
New Original OEM Case New Holland / Komatsu Mask: 626140R1
Main Pump for Komatsu Excavator PC35MR-3: 705-41-07500, 7054107500
Komatsu Valve Seat: 1307586H1
New Original OEM Komatsu Brkt: 532645R3
Spacer made to fit Komatsu: Ca0079175
For Komatsu Excavator PC60-5 Radiator Mounting Rubber Cushion
New Aftermarket KOMATSU Piston Body C/W Clips: 6240-31-2111, 6240312111
Turbo HE221W Repair Rebuild Service Kit for Komatsu Excavator PC200-8 Engine 4D107

Engineering Machinery Parts Explained

风扇马达 (Fēngshàn Mǎdá) / Fan Motor / Вентиляторный мотор

The fan motor is responsible for driving the cooling fan in the engine compartment. This helps regulate the engine temperature by drawing air through the radiator. For example, the 卡特彼勒 345D风扇马达 (Caterpillar 345D Fan Motor / Катерпиллер 345D вентиляторный мотор) ensures optimal engine cooling.

液压泵 (Yèyā Bèng) / Hydraulic Pump / Гидравлический насос

The hydraulic pump converts mechanical power into hydraulic power, which is used to operate various hydraulic cylinders and motors in the machine. For instance, the 小松 PC200-7 液压泵 (Komatsu PC200-7 Hydraulic Pump / Комацу PC200-7 гидравлический насос) is a crucial component for its digging and lifting functions.

油缸密封套件 (Yóugāng Mìfēng Tàoj件) / Cylinder Seal Kit / Комплект уплотнений цилиндра

A cylinder seal kit contains various seals and rings needed to prevent leaks in hydraulic cylinders, ensuring efficient operation. An example is the 日立 ZX200 臂油缸密封套件 (Hitachi ZX200 Arm Cylinder Seal Kit / Хитачи ZX200 комплект уплотнений гидроцилиндра стрелы).

活塞 (Huósāi) / Piston / Поршень

The piston is a key component in the engine that moves up and down within the cylinder, converting the pressure from combustion into mechanical motion. For example, the 康明斯 ISX15 活塞 (Cummins ISX15 Piston / Камминз ISX15 поршень) is vital for the engine's power generation.

连杆 (Liánkǎn) / Connecting Rod / Шатун

The connecting rod links the piston to the crankshaft, transmitting the reciprocating motion of the piston into the rotary motion of the crankshaft. For instance, the 沃尔沃 EC220 连杆 (Volvo EC220 Connecting Rod / Вольво EC220 шатун) plays a critical role in the engine's mechanism.

轴承 (Zhóuchéng) / Bearing / Подшипник

Bearings reduce friction between moving parts, allowing for smooth rotation. The SKF 6205 轴承 (SKF 6205 Bearing / SKF 6205 подшипник) is a common type used in various applications.

滤清器 (Lǜqīngqì) / Filter / Фильтр

Filters remove contaminants from fluids like oil, fuel, and air, protecting engine and hydraulic system components. An example is the 弗列加 FF5485 燃油滤清器 (Fleetguard FF5485 Fuel Filter / Флитгард FF5485 топливный фильтр).

垫片 (Diànpiàn) / Gasket / Прокладка

Gaskets create a seal between two surfaces, preventing leakage of fluids or gases. For example, the 卡特彼勒 3306 缸盖垫片 (Caterpillar 3306 Cylinder Head Gasket / Катерпиллер 3306 прокладка головки блока цилиндров) ensures a tight seal in the engine.

油封 (Yóufēng) / Oil Seal / Сальник

Oil seals prevent oil leaks from rotating shafts and other moving parts. The NOK 油封 (NOK Oil Seal / Сальник NOK) is known for its quality and reliability.

喷油器 (Pēnyóuqì) / Fuel Injector / Топливная форсунка

Fuel injectors deliver fuel into the engine's combustion chamber at the correct time and pressure. For instance, the 博世 0445120007 喷油器 (Bosch 0445120007 Fuel Injector / Бош 0445120007 топливная форсунка) is a precision component for efficient fuel delivery.

Common Search Queries (Tips for Customers)

What are the common causes of hydraulic pump failure in excavators?

How often should I replace the fuel filters in my heavy truck?

Where can I find reliable aftermarket parts for my agricultural machinery?

Growshine International - Your Global Partner in Parts

At Growshine International, we are dedicated to providing our customers with an extensive selection of high-quality parts for various types of machinery. As a leading import and export trading company, we source and deliver engineering machinery parts, heavy truck parts, agricultural machinery parts, and auto parts worldwide. Our commitment is to offer competitive prices and exceptional customer service. Contact us today for all your parts needs!

Troubleshooting Common Excavator Issues: Slow Hydraulic Movement

Problem: An excavator experiences slow movement of its boom, arm, or bucket.

Possible Causes and Solutions:

Low Hydraulic Fluid Level: Check the hydraulic fluid reservoir and add fluid to the recommended level.
Clogged Hydraulic Filters: Replace the hydraulic filters according to the manufacturer's recommendations. Dirty filters restrict oil flow.
Air in the Hydraulic System: Bleed the hydraulic system to remove trapped air. Refer to the excavator's service manual for the correct procedure.
Faulty Hydraulic Pump: The pump might be worn or damaged. Inspect the pump for leaks or unusual noises. If a fault is suspected, the pump may need repair or replacement. Consider checking the Hydraulic Motor 418-18-31202, 4181831202, 418-18-31203, 4181831203 as a potential replacement if the issue lies with the motor.
Sticking or Damaged Hydraulic Valves: Inspect the hydraulic control valves for any signs of damage or sticking. Clean or replace any faulty valves. For example, a malfunctioning Hydraulic Valve for Komatsu Excavator PC200-7 could cause slow movement.
Worn Hydraulic Cylinders or Seals: Check for leaks around the hydraulic cylinders. Damaged seals in the Boom Swing Cylinder Seal Kit 707-98-29620, 7079829620 or Arm Cylinder Seal Kit could lead to pressure loss and slow movement. Replace the seal kits as needed.