Comprehensive Part Solutions & Expert Advice

Growshine International offers comprehensive solutions for your engine part needs. Our inventory includes S12R-PTA oil return pipes, 37762-45100 or 3776245100, and genuine S12R oil dipsticks, 37542-03101 or 3754203101. We also stock S12R front oil seal retainers, 37425-08201 or 3742508201, and S16R-MPTK pistons, 37517-17700 or 3751717700. For S6R/S6R2 water pump shafts, find 37545-30400 or 3754530400. We also carry S12R and S16R oil cooler cores, 37739-30100 or 3773930100.

Our offerings extend to genuine S6B fuel injector assemblies, 36261-01500 or 3626101500, and genuine S6R fuel injector connecting rods, 37561-56700 or 3756156700. We also have genuine S12R filter cotton air filter cotton, 49182-54151 or 4918254151. For S6R-PTA water pipes, find 37546-21101 or 3754621101, and for genuine S16R piston cooling nozzles, we have 36207-48800 or 3620748800. Genuine S6A3 pistons, 37517-30101 or 3751730101, and genuine MM435190 fuel filters for S4L2 are also available.

Further, explore our inventory for genuine S6R camshaft thrust plates, 37505-10800 or 3750510800, genuine S6R2 valve push rods, 37505-15100 or 3750515100, and genuine S6R-PTA valve push rods, 37505-13100 or 3750513100. We offer genuine S6R exhaust valves, 37504-40200 or 3750440200, and genuine S6A2 fuel injectors, 32561-57800 or 3256157800. For genuine S6R fuel injector springs, find 37561-26400 or 3756126400. Genuine S6A3 intake pipe gaskets, 32561-19200 or 3256119200, and genuine S6A/S6A2 water pump seals, 32545-00400 or 3254500400, are also in stock.

We provide genuine S6A3 oil dipsticks, 32542-13301 or 3254213301, and genuine S6R-PTA oil filler caps, 32542-01100 or 3254201100. For genuine S12R-PTA exhaust pipe connection gaskets, find 32532-01700 or 3253201700. We also have genuine S16R turbocharger bolts, 32532-06485 or 3253206485, and genuine S6A-PTA connecting rod bearings, 32519-42100 or 3251942100. For genuine S12A2 rear crankshaft oil seals, we stock 32511-25100 or 3251125100. Genuine S6R-PTA cylinder liners, 32507-62400 or 3250762400, and genuine S12A2 piston cooling nozzles, 32507-28701 or 3250728701, are also available.

Our offerings continue with genuine S12R air starter motors, 04065-52001 or 0406552001, and genuine S6A3 front crankshaft oil seals, 32607-06060 or 3260706060. For genuine S12R fuel injector O-rings, find 05507-10460 or 0550710460. We also have genuine S12R O-rings, 05505-31065 or 0550531065, and genuine S6A3 front crankshaft oil seals, 04865-18021 or 0486518021. For genuine S6R-PTA cylinder head water plugs, we stock 04826-22800 or 0482622800. Genuine S6R hand fuel pump assemblies, 04245-01120 or 0424501120, and genuine S12H-PTA engine thermostats, 35C46-05500 or 35C4605500, are also available.

Find genuine S12H fuel injector push rods, 35C05-21401P or 35C0521401P, and genuine S12H rocker arm chamber lower gaskets, 35C04-09400 or 35C0409400. We stock genuine S6A3 oil pipe clamps, 34A61-09300 or 34A6109300, and genuine S6A3 oil filters, 34A40-01800 or 34A4001800. For genuine S6R2 turbocharger bolts, find 32532-00300 or 3253200300. We also have genuine S6A3/S12A2 cooling nozzles, 32507-08500 or 3250708500. Genuine S6A3 oil pipe clamps come in various part numbers: 34A61-15500 or 34A6115500, 34A61-15400 or 34A6115400, and 34A61-15100 or 34A6115100. Lastly, we offer S6R oil filler caps, 34A42-00500 or 34A4200500.

Key Part Explanations & Common Issues

Understanding Your Engine Components

1.  Water Pump (冷却液泵): Located on the engine block, circulates coolant through the engine and radiator. Example: 卡特彼勒 345D Water Pump (Caterpillar 345D Water Pump, Водяной насос Caterpillar 345D).                2.  Thermostat (节温器): Located in the engine's cooling system, regulates engine temperature by controlling coolant flow. Example: 三菱 S6R Thermostat (Mitsubishi S6R Thermostat, Термостат Mitsubishi S6R).                3.  Fuel Injector (喷油嘴): Located in the cylinder head or intake manifold, atomizes and sprays fuel into the combustion chamber. Example: 康明斯 QSK60 Fuel Injector (Cummins QSK60 Fuel Injector, Топливная форсунка Cummins QSK60).                4.  Turbocharger (涡轮增压器): Attached to the exhaust manifold, uses exhaust gases to spin a turbine and compressor, forcing more air into the engine. Example: 沃尔沃 D13 Turbocharger (Volvo D13 Turbocharger, Турбокомпрессор Volvo D13).                5.  Oil Filter (机油滤清器): Attached to the engine block, removes contaminants from the engine oil. Example: Perkins 1104D Oil Filter (Perkins 1104D Oil Filter, Масляный фильтр Perkins 1104D).                6.  Air Filter (空气滤清器): Located in the air intake system, prevents dust and debris from entering the engine. Example: 曼 TGA Air Filter (MAN TGA Air Filter, Воздушный фильтр MAN TGA).                7.  Starter Motor (启动马达): Located on the side of the engine block, rotates the engine flywheel to start the engine. Example: 依维柯 Daily Starter Motor (Iveco Daily Starter Motor, Стартер Iveco Daily).                8.  Solenoid Valve (电磁阀): Found in various systems (fuel, hydraulic), controls fluid or air flow using an electromagnetic coil. Example: 小松 PC200-8 Solenoid Valve (Komatsu PC200-8 Solenoid Valve, Электромагнитный клапан Komatsu PC200-8).                9.  Sensor (传感器): Placed throughout the engine and vehicle, monitors various parameters like temperature, pressure, and speed. Example: JCB 3CX Oil Pressure Sensor (JCB 3CX Oil Pressure Sensor, Датчик давления масла JCB 3CX).                10. Gasket (垫片): Used between mating surfaces to prevent leaks and provide a seal. Example: 洋马 4TNV98 Cylinder Head Gasket (Yanmar 4TNV98 Cylinder Head Gasket, Прокладка головки блока цилиндров Yanmar 4TNV98).

Common Issues and Troubleshooting Tips

Problem: Mitsubishi S6R Marine Generator Set Overheating.                Cause: Overheating in a marine generator set like the Mitsubishi S6R can be caused by several factors. A common culprit is a malfunctioning thermostat (part number 37546-40701 or 3754640701) that is stuck closed, preventing proper coolant flow. Another frequent issue is a faulty water pump (check parts like 37545-30400 or 3754530400 for the shaft, or a complete assembly like 34A45-20080 or 34A4520080 for an S6B3 which might be similar in function or design), leading to inadequate coolant circulation. Blocked heat exchangers or clogged seawater pipes (e.g., 37551-08101 or 3755108101 for S6R/S16R) can also restrict cooling. Low coolant levels due to leaks (inspect gaskets and seals, like 37745-10700 or 3774510700 for S12H-PTA water pump oil seal, or 32545-00400 or 3254500400 for S6A/S6A2 water pump seal) will also cause overheating.                Solution:                1.  Check Coolant Level: Ensure the coolant reservoir is at the appropriate level. Top up if necessary and check for visible leaks from hoses, radiator, or pump seals.                2.  Inspect Thermostat: Remove and test the thermostat in hot water to see if it opens at the correct temperature. Replace if it's stuck or fails to open.                3.  Examine Water Pump: Check for any signs of leakage around the water pump, or unusual noises which might indicate bearing failure. If the impeller is corroded or damaged, the pump needs replacement.                4.  Clean Heat Exchanger/Cooler: Inspect the heat exchanger for blockages from marine growth or debris. Clean thoroughly. Similarly, check the oil cooler core (e.g., 37739-30100 or 3773930100 for S12R/S16R) for internal clogs.                5.  Check Fan and Belt: Ensure the cooling fan is operating correctly and the fan belt is tensioned properly.                6.  Verify Sensor Readings: A faulty water temperature sensor (e.g., 45737-40900 or 4573740900 for S6R) can give false readings. Test or replace if suspected.                Regular engine maintenance and adherence to the manufacturer's service schedule can prevent many overheating issues.

Common Customer Questions

1.  How often should I replace my diesel engine fuel filter? It's generally recommended to replace your diesel engine fuel filter every 250-500 operating hours or at least once a year, whichever comes first. However, check your equipment's specific maintenance manual for precise recommendations, as operating conditions and fuel quality can influence replacement intervals. Using genuine or high-quality aftermarket filters, like those available from Growshine International (e.g., S6U marine engine filter oil filter 37563-07101 or 3756307101), is crucial for protecting your fuel system.                2.  What are the signs of a failing turbocharger? Common signs of a failing turbocharger include a noticeable loss of engine power, excessive smoke from the exhaust (blue or black), a whining or hissing sound from the engine (often described as a "dentist drill" sound), increased oil consumption, and the check engine light illuminating. If you suspect turbocharger issues, it's vital to address them promptly to prevent further engine damage. Growshine International offers a range of turbochargers and turbocharger repair kits (e.g., TD13M turbocharger repair kit 49182-81020 or 4918281020) for various models.                3.  Why is choosing genuine parts important for my Mitsubishi engine? Choosing genuine parts (OEM - Original Equipment Manufacturer) like those from Mitsubishi ensures optimal fit, performance, and longevity. These parts are designed and tested specifically for your engine model, meeting strict quality standards. While aftermarket options can be more economical, genuine parts often provide better reliability and can prevent costly breakdowns in the long run. Growshine International offers both genuine and high-quality aftermarket options, allowing you to choose the best solution for your needs and budget.