Komatsu Parts Powerhouse: OEM & Aftermarket Solutions | Featuring 6138-12-3320 Fuel Nozzle Injector - March 29, 2025

格莳国际支持淘宝线上购买 (Growshine International Supports Taobao Online Purchase)!

Welcome to Growshine International, your premier global partner for high-quality machinery components. We specialize in the import and export trade of Construction Machinery Parts, Heavy Truck Parts, Agricultural Machinery Parts, and Auto Parts. Today, we spotlight our extensive range of Komatsu parts, featuring both Original Equipment Manufacturer (OEM) and reliable aftermarket options designed to keep your heavy equipment running efficiently. Whether you need parts for Komatsu excavators, dozers, loaders, or engines, Growshine International has you covered.

Genuine OEM and High-Quality Aftermarket Komatsu Parts Inventory

Find the exact Komatsu components you need. We stock a wide variety including rods like the 605 Rod New Original OEM Komatsu . Ensure peak performance with essential engine components such as the Komatsu Valve Seat, 6136-12-1320, 6136121320 , Komatsu Rod Bearing, Standard, 6207-31-3300, 6207313300 , Komatsu Rod Bearing, .25mm, 6207-39-3300, 6207393300 , Komatsu Rod Bearing, .50mm, 6207-38-3300, 6207383300 , Komatsu Rod Bearing, Standard, 6150-31-3040, 6150313040 , and the Komatsu Rod Bolt, 6204-31-3310, 6204313310 .

Keep your hydraulic systems sealed and efficient. We offer the Komatsu Excavator PC160-7 Boom Cylinder Seal Kit , specific seal kits like 175-15-KITSEAL Kit Seal made to fit Komatsu , 707-99-44090 Service Kit made to fit Komatsu , For Komatsu Excavator PC650-3 PC650-5 PC710-5 Arm Cylinder Seal Kit 707-99-77240, 7079977240 , Outrigger Cylinder Seal Kit 707-99-14940, 7079914940 for Komatsu Loader WB97S-5 WB93S-5 WB93R-5 WB97R-5 , Boom Cylinder Seal Kit 707-99-68580, 7079968580 for Komatsu Excavator PC600-7 PC600-6 PC650-7 PC650LC-7 , 878000607 Seal Kit cylinder made to fit Komatsu , and 707-99-50780 Seal Kit cylinder made to fit Komatsu .

Browse our selection of individual seals and rings: 704-37-02470 Seal Ring made to fit Komatsu , Floating Seal 208-27-00170, 2082700170 for Komatsu Excavator PC400-7 PC400LC-7 PC400-50 , 707-44-45070 Piston Seals made to fit Komatsu , 707-44-20150 Piston Seals made to fit Komatsu , Komatsu Rear Seal, 6141-21-1332, 6141211332 , 198-63-75190 DUST SEAL Komatsu New Aftermarket , Floating Seal Kit 21N-27-00150, 21N2700150 for Komatsu Excavator PC1250-7 PC1250SP-8R PC1250-8R PC1250-8 PC1250-11 PC1250-11E0 , and Floating Seal 150-27-00022, 1502700022 / 150-27-00021, 1502700021 for Komatsu Excavator PC350-6 PC300-6 PC360-6 .

We also stock various essential hardware and components: 736-0369 Washer Flat New Original OEM Komatsu , 6138-12-3320 Fuel Nozzle Injector KOMATSU New Aftermarket , 207-70-31160 PIN Komatsu New Aftermarket , 6127-11-5480 Shim made to fit Komatsu , 130-50-11162 Bushing made to fit Komatsu , 141-14-35233 Gear made to fit Komatsu , 130-57-11123 Rest made to fit Komatsu , 14X-27-11231 BEARING Komatsu New Aftermarket , Dk026510-1440 Gasket made to fit Komatsu , 426-15-19110 O-Ring made to fit Komatsu , 131-27-61210 Pinion made to fit Komatsu , 71378 Ring New Original OEM Komatsu , 130-09-16460 Snap Ring made to fit Komatsu , 04071-00200 Snap Ring made to fit Komatsu , 20S-70-31161 Pin made to fit Komatsu , 6110-51-5450 Spring made to fit Komatsu , 113-43-15150 Shaft made to fit Komatsu , 175-13-23232 Gasket made to fit Komatsu , Komatsu Fuel Line, 6127-71-5143, 6127715143 , 09232-05125 Bearing Needle made to fit Komatsu , 110-22-11380 Seat made to fit Komatsu , 6120-11-1130 Stud made to fit Komatsu , 707-44-15180 Piston Ring Hydraulic Cylinder KOMATSU New Aftermarket , 569-52-41940 Boot made to fit Komatsu , Komatsu Gasket, 6251-21-3231, 6251213231 , 6127-81-9511 Gear made to fit Komatsu , 6112-13-3101 Injector Assembly made to fit Komatsu , Komatsu Thermostat, 600-421-6210, 6004216210 , 131-21-52330 Lock made to fit Komatsu , 6221-21-8010 Main Metal Assy Std KOMATSU New Aftermarket , Komatsu Crankshaft with Gear, 6207-31-1100, 6207311100 , 208-26-31250 Spacer made to fit Komatsu , Friction Plate 175-22-21160, 1752221160 for Komatsu Dozer D135A-1 to D455A-1 models , KC6205382300 (C6205382300) Piston Ring Set Cylinder Components Komatsu New Aftermarket , 17A-54-46130 CUSHION Komatsu New Aftermarket , Komatsu Piston Pin Retainer, 6162-33-2420, 6162332420 , 131-60-15281 Bushing made to fit Komatsu , Komatsu Camshaft Bearing, 6206-21-1430, 6206211430 .

Complete engine solutions and major components are available: Engine Assembly 6742-A0-0011, 6742A00011 for Komatsu Engine SA6D114E-2 Dozer D63E-12 , Overhaul Rebuild Kit for Komatsu Engine SAA6D140E-5 , KMP6208,OFK Out-Of-Frame Kit KOMATSU New Aftermarket , Main Pump Bearing 708-2L-42250, 7082L42250 for Komatsu PC210-10 to PC290LC-11 series , Overhaul Rebuild Kit for Komatsu Engine S6D108-1 SA6D108-1 SAA6D108E-2 Generator DCA-150SSK DCA-180SSK EGS160 EGS190 , 6204-31-2121EK6A-6D95L-9C-AA Engine Overhaul Kit Komatsu 6D95L-9C-AA (Standard) made to fit Komatsu , Piston Kit with Ring for Komatsu S6D108-1 SA6D108-1 SAA6D108E-2 Engine PC300-6 PC300-5 PC350-6 PC310 PC350 PC300LC-5 , Komatsu Valve Guide, 6204-19-1310, 6204191310 , Komatsu Piston Pin, 6731-31-2410, 6731312410 , KOMATSU PC360-7 Self Reducing Valve Block , Hydraulic Pump 705-22-43040, 7052243040 for Komatsu Wheel Loader WA470-3 , 6202-32-2140EK4A-4D95S Engine Overhaul Kit Komatsu 4D95S (Standard) made to fit Komatsu , Komatsu Crankshaft Gear, 6742-01-1590, 6742011590 , Crankshaft for Komatsu 6D107 Engine , Komatsu Valve Guide, 6221-19-1340, 6221191340 , Komatsu Main Bearing Set, .25mm, 6136-29-8010S, 6136298010S , 6202-32-2140EK4B-4D95S-7C-G-AP Engine Overhaul Kit Komatsu 4D95S-7C-G-AP (0,25) made to fit Komatsu .

We also provide parts for related brands often used with Komatsu equipment: Yanmar 4TNE84 series Engine Connecting Rod for Komatsu PC40MR-8 PC45MR-8 PC45MRX-8 Excavator , Cylinder Head Gasket 129002-01331 for Yanmar 3TNE84 Komatsu 3D84E-1 3D84E-2 , 1 Set Main & Connecting Rod Bearing for Hino Engine H15 Excavator N120 N150 Komatsu Forklift FG10-FG25 series , Hanwoo RHB340 Breaker Hammer Seal Kit compatible with Komatsu excavators , Timing Kit for Nissan K21 K25 Engine used in Komatsu Forklifts FCG25-4 FG20C-14 FG28T-8 , Air Filter Kit YM119808-12520 YM129051-12530 for Komatsu 3D84E-3F 4D84E-3 4D88E-3 Engine PC27MR-2/3 PC30MR-5 , Flywheel Ring Gear YM129900-21600 for Komatsu 4D92E-1 4D94E-1 4D98E-1 Engine PC75-1 PC80MR-3 WA65-3 WA75-3 CK20-1 CK35-1 , Nachi Swing Motor PCR-1B-05A for Komatsu 2-3 Tons Mini Excavator .

Find co-branded Case New Holland / Komatsu parts: PA2301 Seed Plate New Original OEM Case New Holland / Komatsu , R4457 Kit New Original OEM Case New Holland / Komatsu , BS271423 Gasket New Original OEM Case New Holland / Komatsu , 43452 Kit New Original OEM Case New Holland / Komatsu , 565334R11 Pulley New Original OEM Case New Holland / Komatsu , 25304Z5000 Switch New Original OEM Case New Holland / Komatsu , 1959839C2 Gasket New Original OEM Case New Holland / Komatsu , A21673 Guide Kit 2 Pc New Original OEM Case New Holland / Komatsu , PO3139 Clamp New Original OEM Case New Holland / Komatsu , 82005166 Guard New Original OEM Case New Holland / Komatsu , 1967586C1 Spring New Original OEM Case New Holland / Komatsu , 029484 Plate New Original OEM Komatsu , 485911R1 Hub New Original OEM Case New Holland / Komatsu , 375313R1 Seal New Original OEM Case New Holland / Komatsu , 459211C91 Kit 6 Pc New Original OEM Case New Holland / Komatsu .

Additionally, source other essential OEM parts: 1347114C2 Hose New Original OEM Komatsu , 1343953C1 Cable New Original OEM Komatsu , 347601R1 Fitting New Original OEM Komatsu , ZBJ2003 Lens New Original OEM Komatsu , F8326 Eye Bolt New Original OEM Komatsu , CR544051 Seal New Original OEM Komatsu , 3129412R2 Knob New Original OEM Komatsu , 9N1624 Pin New Original OEM Komatsu , 218-500 Elbow New Original OEM Komatsu . Hoses and electrical components include: Hose 207-03-75640, 2070375640 for Komatsu Engine SAA6D114 Excavator PC300-8 to PC390LC-8M0 series , 17A-21-13131 Hose made to fit Komatsu , Upper & Lower Radiator Hoses 203-978-5340 203-03-56180 for Komatsu Excavator PC100-5 PC120-5 PC130-5 , 24V Headlamp 42T-06-23150, 42T0623150 for Komatsu Wheel Loader WA65-5 WA90-5 WA70-5 WA100M-6 .

Specialized items like KM2611/600 Komatsu made to fit GRSR 1B D61EX-15 and Thermostat 600-421-6131, 6004216131 for Komatsu Engine 4D95S-W Forklift FD20-11 to FD30-11 are also part of our catalog. Ensure you get the right fit and function with Growshine International.

Understanding Key Machinery Components

1. Fuel Injector (燃油喷射器 / Топливная форсунка): A critical engine component that sprays atomized fuel into the combustion chamber or intake manifold at high pressure. Proper function ensures efficient combustion and power output. Installed in the cylinder head.Example (EN): Cummins QSK60 Fuel Injector / 例 (ZH): 康明斯 QSK60 燃油喷射器 / Пример (RU): Cummins QSK60 Топливная форсунка

2. Hydraulic Cylinder Seal Kit (液压缸密封套件 / Комплект уплотнений гидроцилиндра): A set of seals (rod seals, piston seals, wipers, O-rings) used to prevent fluid leaks and maintain pressure within a hydraulic cylinder (e.g., boom, arm, bucket cylinders on an excavator). Installed within the cylinder assembly.Example (EN): John Deere 333G Skid Steer Bucket Cylinder Seal Kit / 例 (ZH): 约翰迪尔 333G 滑移装载机 铲斗油缸密封套件 / Пример (RU): John Deere 333G Комплект уплотнений цилиндра ковша мини-погрузчика

3. Rod Bearing (连杆轴承 / Шатунный вкладыш): A plain bearing located between the connecting rod and the crankshaft journal in an engine. It allows the connecting rod to rotate smoothly on the crankshaft. Critical for engine longevity. Installed on the big end of the connecting rod.Example (EN): Volvo D13 Truck Engine Rod Bearing / 例 (ZH): 沃尔沃 D13 卡车发动机 连杆轴承 / Пример (RU): Volvo D13 Шатунный вкладыш двигателя грузовика

4. Gasket (垫片 / Прокладка): A mechanical seal which fills the space between two or more mating surfaces, generally to prevent leakage from or into the joined objects while under compression. Used throughout engines, transmissions, hydraulic systems. Location varies (e.g., head gasket, oil pan gasket).Example (EN): Massey Ferguson 8737 Tractor Transmission Gasket / 例 (ZH): 麦赛福格森 8737 拖拉机 变速箱垫片 / Пример (RU): Massey Ferguson 8737 Прокладка трансмиссии трактора

5. Overhaul Rebuild Kit (大修套件 / Комплект для капитального ремонта): A comprehensive set of parts needed to perform a major engine rebuild, typically including pistons, rings, bearings, gaskets, seals, and sometimes liners. Used to restore engine performance and extend life. Components installed throughout the engine block and head.Example (EN): Isuzu 6HK1 Engine Overhaul Kit for Hitachi ZX330 Excavator / 例 (ZH): 五十铃 6HK1 发动机大修套件 (用于日立 ZX330 挖掘机) / Пример (RU): Isuzu 6HK1 Комплект для капитального ремонта двигателя для экскаватора Hitachi ZX330

6. Pin (销 / Палец): A cylindrical fastener used to join machine parts. Can be solid, grooved, or split (cotter pin). Used in linkages, attachments, and structural joints (e.g., bucket pins on an excavator). Location depends on application.Example (EN): Bobcat T770 Track Loader Bucket Pin / 例 (ZH): 山猫 T770 履带式装载机 铲斗销 / Пример (RU): Bobcat T770 Палец ковша гусеничного погрузчика

7. Floating Seal (浮动油封 / Плавающее уплотнение): A type of heavy-duty mechanical face seal used in rotating applications exposed to severe contamination, like final drives and track rollers on tracked machinery. Consists of two identical metal rings and two rubber toric rings. Installed in the final drive or roller housing.Example (EN): Komatsu D65EX-18 Dozer Final Drive Floating Seal / 例 (ZH): 小松 D65EX-18 推土机 终传动浮动油封 / Пример (RU): Komatsu D65EX-18 Плавающее уплотнение бортового редуктора бульдозера

8. Thermostat (恒温器 / Термостат): A valve in the engine's cooling system that regulates coolant flow to the radiator based on temperature. Helps the engine warm up quickly and maintain optimal operating temperature. Typically housed near the water pump or cylinder head outlet.Example (EN): Ford F-150 Pickup Truck Engine Thermostat / 例 (ZH): 福特 F-150 皮卡车 发动机恒温器 / Пример (RU): Ford F-150 Термостат двигателя пикапа

9. Hydraulic Pump (液压泵 / Гидравлический насос): A device that converts mechanical power into hydraulic energy. It generates flow with enough power to overcome pressure induced by the load at the pump outlet. The heart of any hydraulic system. Usually driven by the engine or an electric motor.Example (EN): Caterpillar 980M Wheel Loader Main Hydraulic Pump / 例 (ZH): 卡特彼勒 980M 轮式装载机 主液压泵 / Пример (RU): Caterpillar 980M Главный гидравлический насос колесного погрузчика

10. Crankshaft (曲轴 / Коленчатый вал): The main rotating shaft in a reciprocating engine that converts the linear motion of the pistons into rotational motion. It drives the flywheel and ultimately the vehicle or equipment. Located in the lower part of the engine block.Example (EN): Deutz TCD 2013 L06 Engine Crankshaft / 例 (ZH): 道依茨 TCD 2013 L06 发动机 曲轴 / Пример (RU): Deutz TCD 2013 L06 Коленчатый вал двигателя

Frequently Asked Questions (FAQs)

1. How can I ensure I'm ordering the correct part for my Komatsu machine?The best way is to provide us with the machine's model number, serial number, and the part number (if known). Our expert team at Growshine International can verify compatibility using comprehensive databases to ensure you receive the correct OEM or aftermarket part. You can also send photos of the old part if unsure.

2. What is the difference between OEM and Aftermarket parts offered by Growshine International?OEM (Original Equipment Manufacturer) parts are made by or for Komatsu (or Case New Holland, etc.) to their exact specifications. Aftermarket parts are produced by other companies to fit and function like OEM parts, often offering a cost-effective alternative. Growshine International sources high-quality aftermarket parts that meet rigorous standards, providing reliable performance.

3. Does Growshine International ship parts internationally?Yes, absolutely. As specialists in import and export trade, Growshine International ships construction machinery parts, heavy truck parts, agricultural machinery parts, and auto parts worldwide. We handle logistics to ensure your order arrives safely and efficiently, wherever your operation is based. Contact us for shipping quotes and details.

Machinery Troubleshooting Tip

Issue: Heavy Truck Experiencing Loss of Power Uphill

Symptoms: Truck struggles to maintain speed on inclines, engine sounds strained, potentially black smoke from exhaust.

Potential Causes & Solutions:

• Clogged Fuel Filters: Restricted fuel flow starves the engine under load. Solution: Replace primary and secondary fuel filters according to the maintenance schedule or sooner if symptoms appear. Check for water in the fuel separator.

• Boost Leak (Turbocharged Engines): A leak in the air intake system between the turbo and the engine (hoses, clamps, intercooler) prevents the engine from getting enough pressurized air. Solution: Inspect all boost hoses and connections for cracks, loose clamps, or damage. Listen for hissing sounds under load. Perform a boost leak test if necessary.

• Failing Turbocharger: If the turbo isn't spinning up correctly or has internal damage, it won't provide sufficient boost. Solution: Check for excessive shaft play, damaged blades, or oil leaks around the turbo. A diagnostic scan might show low boost pressure codes. Replacement may be required.

• Exhaust Restriction: A clogged Diesel Particulate Filter (DPF), Catalytic Converter (SCR), or muffler can increase backpressure and reduce power. Solution: Check for exhaust system damage. Perform a forced DPF regeneration if applicable. Check for related fault codes. Diagnosis might require backpressure testing.

• Injector Issues: Malfunctioning injectors can lead to poor fuel delivery and combustion. Solution: Perform an injector cutout test using diagnostic software. Check fuel return rates. Faulty injectors may need cleaning or replacement (e.g., replacing a 6138-12-3320, 6138123320 Fuel Nozzle Injector if it's the cause on a compatible Komatsu engine).

Note: Always consult your truck's service manual and consider professional diagnosis for complex issues. Safety first when working on heavy machinery.

Growshine International: Your Global Parts Partner

At Growshine International, we pride ourselves on being more than just a parts supplier. We are your strategic partner in maintaining the operational efficiency of your valuable equipment. Our core business revolves around the seamless import and export trade of parts for construction machinery (like Komatsu, Caterpillar, Hitachi), heavy trucks (like Volvo, Scania, Mercedes), agricultural machinery (like John Deere, Case IH, New Holland), and various auto parts. We offer competitive pricing, expert advice, and reliable global logistics.

Whether you need a single Komatsu Piston Pin 6731-31-2410, 6731312410 , a complete SAA6D140E-5 Engine Overhaul Kit , or a specific Case New Holland / Komatsu PA2301 Seed Plate , trust Growshine International to deliver quality parts efficiently. Explore our extensive catalog or contact our knowledgeable sales team today for personalized assistance with all your machinery part requirements.

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