Komatsu & Yanmar Engine Parts for Heavy Machinery - March 30, 2025
Growshine International is your trusted source for a comprehensive range of high-quality engine parts for Komatsu and Yanmar machinery. We specialize in providing both original equipment manufacturer (OEM) and aftermarket components to meet your specific needs. Our extensive inventory includes everything from complete overhaul rebuild kits to essential maintenance items, ensuring your equipment operates at peak performance.
For engine overhauls, consider our Overhaul Rebuild Kit for Yanmar 4TNV106 Komatsu 4D106 Engine Rcg-Power R-YM50 R-YM60. This kit provides the necessary components for a complete engine rebuild. We also offer a specific Overhaul Rebuild Kit for Komatsu Engine 4D92-1 4D92-1A 4D92-1B and another Overhaul Kit KOMATSU New Aftermarket with part number KMP1021,EOK-4. For Komatsu SAA6D102E-2 engines, we have a dedicated Engine Inframe Overhaul Rebuild Kit.
Ensure optimal hydraulic system performance with our Hydraulic Filter 07063-01142, 0706301142, specifically designed for Komatsu Excavator PC400, PC400-5, and PC400-5C models. Power your Komatsu machinery with our reliable 11880 Solenoid New Original OEM Komatsu.
Maintain proper fuel delivery with our high-performance Fuel Injection Pump 6746-71-1161, 6746711161, 6746-71-1151, 6746711151, 6746-71-1110, 6746711110, compatible with Komatsu SAA6D114E-5 and SAA6D114E-6 engines. We also offer a Fuel Injection Pump 3927763 for Cummins 6B5.9 B5.9 and Komatsu S6D102E-1 engines, as well as a Fuel Lift Pump, 6736-72-6530 for Komatsu.
Keep your engine cool with our durable Water Tank Radiator 208-03-75110 for various Komatsu PC400 and PC450 series excavators, including PC400-7E0, PC400-8, PC400LC-7E0, PC400LC-8, PC450-7E0, PC450-8, PC450-8R, PC450LC-7E0, PC450LC-8, PC500LC-8, PC500LC-8R, and PC550LC-8 models. We also stock the Water Tank Radiator 42N-03-11783 for Komatsu Backhoe loaders WB97R-5E0, WB97S-5E0, WB93R-5E0, and WB93S-5E0, and a Water Tank Radiator Core ASSY 203-03-65610 for Komatsu Excavator PC100-6, PC120-6Z, and PC130-6. Additionally, we offer the Water Tank Radiator Core ASS'Y 421-03-44120 for Komatsu Wheel Loader WA450-6, WA470-6, and WA480-6 (Right), and another Water Tank Radiator ASS'Y 21U-03-31102 for Komatsu Excavator PC35MR-1, PC35MRX-1A, and PC38UU-3.
We supply a variety of belts, including the 273093 Belt 1 Only New Original OEM Komatsu and air filters like the Air Filter 77Z-97-00010, 77Z9700010 for Komatsu, and Air Filter 6127817411 for Komatsu Engine S6D155-4, SA8V170, SAA6D170, and S6A. For Komatsu HD325-6, HD405-6, WA420-3, and WA470-3, we offer the Air Filter 600-181-1600 and 600-181-1660. We also have the Monitor Wiring Harness 208-53-12920 for Komatsu Excavator PC130-7, PC200-7, PC270-7, PC300-7, PC350-7, PC400-7, and PC450-7.
Our selection of Komatsu parts includes the 2475356R91 Shield New Original OEM Komatsu, Komatsu Main Bearing Set, Standard, 6204-21-8100S, 1252624C1 Guage New Original OEM Komatsu, 203-70-41192 Pin made to fit Komatsu, 07260-20922 Hose made to fit Komatsu, and Okada OUB305 Breaker Hammer Seal Kit suitable for Kubota, Caterpillar, Hitachi, Komatsu, John Deere Excavators. We also offer Komatsu Piston with pin retainers, 6162-35-2120 and Komatsu Exhaust Manifold Gasket, 6135-11-5810.
You can find the 6735-61-2220 Cover Assy, Oil Cooler KOMATSU New Aftermarket, Komatsu Gasket Maker, 3oz Tube, TB1207C, Dk134510-3900 Gasket made to fit Komatsu, 205-62-74580 O-Ring made to fit Komatsu, 02763-00208 Hose made to fit Komatsu, 170-64-13141 Shim made to fit Komatsu, and 707-98-23880 Service Kit made to fit Komatsu. We also stock 6150-51-1005 Pump Oil made to fit Komatsu, Komatsu Valve Seat, 6136-12-1320, and Komatsu Rod Bearing, .50mm, 6210-38-3042.
We provide 1 PC STD Connecting Rod for Komatsu 3D82 Yanmar 3TN82E 3TNV82A 3TNE82 Engine, Komatsu Intake Manifold Gasket, 6204-11-4850, 6610-27-8051 Thrust Metal 0,75Mm KOMATSU New Aftermarket, and KOMATSU PC120-6 Glass button 4D95. Also available is the O1235HT Stud New Original OEM Case New Holland / Komatsu and Komatsu Oil Cooler Seal, 07000-22021.
Find the 144-14-14282 Gear made to fit Komatsu, 50H Coupling compatible with Volvo EC210B, Doosan Daewoo DH220-3, DH220-5, Hyundai R200-5, R220-5, Komatsu PC200-2, and PC220-2. We also offer Komatsu Valve Seal, 6732-41-4540 and STD Piston Kit with Ring for Komatsu Engine SAA6D114E-5 Excavator PC360LC-10 PC390LC-10 HB335-1 HB365-1.
We stock the 175-43-12151 Gasket made to fit Komatsu, Komatsu Piston with pin and pin retainers, 6204-31-2121WP, and Komatsu Oil Seal, 07013-00090. Also available is the Ca0119681 Hose made to fit Komatsu and 135-40-11151 Spring made to fit Komatsu.
For Komatsu Excavator PC220-2, we have the Arm Cylinder Seal Kit. We also provide Komatsu Piston with pin retainers, 6162-35-2120 and Komatsu Exhaust Manifold Gasket, 6135-11-5810.
We offer a wide range of bearings, including Komatsu Main Bearing Set, Standard, 6204-21-8100S, Komatsu Main Bearing Set, 1.00mm, 6742-01-5288, Komatsu Main Bearing, .25mm, 6150-29-8010, Komatsu Main Bearing, .75mm, 6130-27-8101, and Komatsu Main Bearing Set, .50mm, 6204-28-8100S. Additionally, we have Komatsu Rod Bearing, .50mm, 6210-38-3042 and Komatsu Rod Bearing, .25mm, 6207-39-3900, as well as Komatsu Rod Bearing Upper, .75mm, 6754-32-3440.
Our inventory includes seals such as Komatsu Oil Cooler Seal, 07000-22021, Komatsu Oil Seal, 07013-00090, Komatsu Oil Seal, 6150-71-1910, Komatsu Front Seal, 6162-23-3510, Komatsu Rear Seal and Sleeve, 6736-39-1140, Komatsu Rear Seal, 6140-21-1341, Komatsu Oil Seal, 07012-00060, DK029621-1010 Oil Seal made to fit Komatsu, and Blade Cylinder Seal Kit 707-99-38790 for Komatsu Excavator PC130-8, PC138US-8, and PC138USLC-8. We also offer the Seal Kit cylinder made to fit Komatsu with part number 34B-63-05021 and 707-99-64120 Seal Kit Lift Cylinder made to fit Komatsu.
We supply various gaskets including Komatsu Exhaust Manifold Gasket, 6135-11-5810, Komatsu Intake Manifold Gasket, 6204-11-4850, 175-43-12151 Gasket made to fit Komatsu, Dk134510-3900 Gasket made to fit Komatsu, 195-03-12561 Gasket made to fit Komatsu, 131-21-41460 Gasket made to fit Komatsu, Cylinder Head Gasket YM129001-01340 for Komatsu Engine 3D88E-6, 3D88E-5, 3D88E-3B, 3D88E-7, 3D88-3B, 3D88E, and 3D88, and Komatsu Gasket Maker, 3oz Tube, TB1207C (available multiple times). We also have New Aftermarket Komatsu Valve Seat, Inlet (6216-11-1330) and Komatsu Valve Seat, 6136-12-1320.
For hydraulic systems, we offer the For Komatsu Excavator PC220-2 Arm Cylinder Seal Kit, For Komatsu Excavator PC300-2 Boom Cylinder Seal Kit, and For Komatsu Wheel Loader WA350-1 Dump Cylinder Seal Kit. We also have Hoses made to fit Komatsu with part numbers 07260-20922 and 02763-00208, as well as Ca0119681 and Ca0104782 Nut made to fit Komatsu.
We provide various pins and bushings, including 203-70-41192 Pin made to fit Komatsu, Bucket Pin made to fit Komatsu with part number 209-70-57331, Bucket Link Pin made to fit Komatsu with part number 203-70-44350, Pin made to fit Komatsu with part number 426-70-31991, and 22J-70-25142 Bushing made to fit Komatsu. We also have the BOLT 22MM X 110MM with part number 01011-62210, 0101162210.
Other essential components in our inventory include the 11880 Solenoid New Original OEM Komatsu, Komatsu Valve Lock, 6204-41-4520, 07000-22050 O-Ring made to fit Komatsu, 203-62-21850 O Ring made to fit Komatsu, 07000-03098 O-Ring KOMATSU New Aftermarket, 07000-23048 O-Ring made to fit Komatsu, and 07000-05210 O-Ring made to fit Komatsu. We also stock 170-64-13141 Shim made to fit Komatsu, 135-40-21160 Plug made to fit Komatsu, and 175-30-05050 Shim Kit made to fit Komatsu.
Glossary of Engineering Machinery Parts
Hydraulic Filter (液压滤清器 - Gidravlicheskiy filtr): A component in the hydraulic system that removes contaminants from the hydraulic fluid. It is typically installed in the hydraulic lines of excavators like the Komatsu PC400. Example: Caterpillar 345D Hydraulic Filter (Катерпиллер 345D Гидравлический Фильтр).
Fuel Injection Pump (燃油喷射泵 - Toplivnyy nasos vysokogo davleniya): The device that pumps fuel to the engine's cylinders at the required pressure and timing. Found in engines like the Komatsu SAA6D114E-5. Example: Cummins ISX Fuel Injection Pump (Камминз ISX Топливный Насос Высокого Давления).
Radiator (散热器 - Radiator): A heat exchanger used to cool the engine by dissipating heat from the coolant. Used in excavators such as the Komatsu PC400-7E0. Example: Volvo EC210B Radiator (Вольво EC210B Радиатор).
Solenoid (电磁阀 - Elektromagnitnyy klapan): An electrically controlled valve used to regulate fluid flow in various systems. Found in Komatsu excavators like the PC400. Example: Hitachi Zaxis 200 Solenoid (Хитачи Zaxis 200 Электромагнитный Клапан).
Main Bearing (主轴承 - Korennoy podshipnik): Supports the crankshaft in the engine, allowing it to rotate smoothly. Used in engines like the Komatsu 4D106. Example: John Deere 7720 Main Bearing (Джон Дир 7720 Коренной Подшипник).
Gasket (垫片 - Prokladka): A seal placed between two surfaces to prevent leakage. Found in various parts of engines like the Yanmar 4TNV106, such as the exhaust manifold. Example: Perkins 1104D Gasket (Перкинс 1104D Прокладка).
Oil Seal (油封 - Maslos"yemnyy kolpakchok): Prevents oil leakage from rotating shafts or joints. Used in Komatsu machinery like the PC220 arm cylinder. Example: Liebherr R954 Oil Seal (Либхерр R954 Маслосъемный Колпачок).
Piston (活塞 - Porshen'): A component that moves within the cylinder, driven by the combustion of fuel. Found in engines like the Komatsu SAA6D114E-5. Example: Komatsu D155A Piston (Комацу D155A Поршень).
Connecting Rod (连杆 - Shastun): Connects the piston to the crankshaft, transmitting power from the piston to the crankshaft. Used in engines like the Yanmar 3TN82E. Example: Kubota V3800 Connecting Rod (Кубота V3800 Шатун).
Valve Seat (气门座 - Sedlo klapana): A precision-machined surface against which the engine valve closes. Found in Komatsu engines. Example: Mitsubishi S6K Valve Seat (Мицубиси S6K Седло Клапана).
Common Knowledge about Heavy Machinery Parts
1. How often should I change the hydraulic filter on my Komatsu excavator? Hydraulic filter replacement intervals vary depending on the machine model and operating conditions. Consult your Komatsu owner's manual for specific recommendations, but generally, it's recommended to change them every 500 to 1000 hours of operation.
2. What are the signs of a failing fuel injection pump? Common signs include difficulty starting the engine, rough idling, decreased engine power, increased fuel consumption, and black smoke from the exhaust.
3. Why is it important to use the correct type of oil in my heavy machinery? Using the wrong type of oil can lead to inadequate lubrication, increased wear and tear on engine components, overheating, and ultimately, engine failure. Always refer to your equipment's manual for the recommended oil specifications.
Common Failure and Solution: Overheating Komatsu Excavator
Problem: A Komatsu PC300-7 excavator is experiencing frequent overheating, especially during heavy operation.
Possible Causes and Solutions:
Low Coolant Level: Check the coolant level in the radiator and expansion tank. If low, add the specified coolant mixture. Look for leaks in hoses, radiator, or water pump.
Dirty or Clogged Radiator: Inspect the radiator fins for dirt, debris, or bent fins. Clean the radiator externally with compressed air or water. If heavily clogged internally, the radiator may need professional cleaning or replacement. Consider replacing the Water Tank Radiator 208-03-75110 if necessary.
Faulty Thermostat: The thermostat regulates coolant flow. If it's stuck closed, the engine will overheat. Test the thermostat or replace it if faulty.
Water Pump Issues: A failing water pump won't circulate coolant effectively. Check for leaks, noise, or a loose belt. Replace the water pump if necessary.
Loose or Damaged Fan Belt: The fan belt drives the cooling fan. Inspect the belt for cracks, wear, or looseness. Adjust or replace the belt as needed. Consider replacing the 273093 Belt if it's old or damaged.
Air in the Cooling System: Air pockets can hinder coolant circulation. Bleed the cooling system according to the manufacturer's instructions.
Note: If the overheating persists after checking these common causes, consult a qualified mechanic for further diagnosis and repair.
Growshine International - Your Partner in Quality Parts
Growshine International is a leading import and export trading company specializing in engineering machinery accessories, heavy truck accessories, agricultural machinery accessories, and auto accessories. We are committed to providing our customers with high-quality parts for Komatsu, Yanmar, and other leading brands. Our extensive network and sourcing capabilities allow us to offer competitive prices and ensure timely delivery. Whether you need an Overhaul Rebuild Kit, a specific Hydraulic Filter, or any other component, Growshine International is here to support your needs.
