Cummins Accessories
Cummins/Cummins
QSB4.5
Forklift
conventional
Growshine Cummins Electromagnetic Switch QSB4.5 Solenoid Valve
Reliable Replacement for 5269379 and 3903575
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If the Cummins solenoid valve 3903575, Cat oil cooler 4W-4956, or any other part like 7N-0101 or 30-92541 isn't quite right, we offer Custom Development and Manufacturing for a wide range of Construction Machinery Parts, Heavy Truck Parts, Agricultural Machinery Parts, and Auto Parts. Send us your technical drawings or samples!
Precision Control for Cummins QSB4.5 Engines
Welcome to Growshine International, your trusted partner for high-quality engine accessories. We proudly feature the reliable Cummins Electromagnetic Switch, specifically designed for the Cummins QSB4.5 engine series. This critical component, often referenced by part numbers 5269379 and 3903575 (also searchable as 5269379 and 3903575), ensures the smooth start and controlled shutdown of your heavy-duty diesel engine. As a leading exporter specializing in Construction Machinery Parts, Heavy Truck Parts, Agricultural Machinery Parts, and Auto Parts, Growshine provides solutions that meet global standards. We are experts in import export trade, connecting manufacturers to users worldwide.
Relevant Search Terms: Cummins QSB4.5 shutoff solenoid, 12V diesel engine stop solenoid, Cummins B series magnetic switch, QSB4.5 engine spare parts, Growshine Cummins parts.
Understanding Solenoid Function and Component Explanations
The electromagnetic switch (or solenoid) on the Cummins QSB4.5 acts as a vital interface, converting electrical energy into mechanical movement to control fuel flow or starter engagement. Our solenoids are designed for durability, featuring precise coil windings and robust plungers to prevent engine runaway or starting failure. We also carry top-tier Turbocharger systems from global brands like Garrett, Holset, BorgWarner, 3K, Schwitzer, IHI, Mitsubishi, Hitachi, CZ, Toyota, Komatsu, and Bosch Mahle. Click to view our turbo catalog!
Accessory Terminology Corner (10 Definitions)
Fuel Pump: Draws fuel from the tank to the engine injection system. (Example: Caterpillar 320D Fuel Transfer Pump)
Hydraulic Cylinder: Mechanical actuator for unidirectional force. (Example: Komatsu PC400-7 Boom Lift Cylinder)
Torque Converter: Fluid coupling transferring rotating power. (Example: Volvo L120G Torque Converter Assembly)
Differential: Gear train allowing wheels to rotate at different speeds. (Example: Mercedes-Benz Actros Axle Differential)
Turbocharger: Compresses intake air using exhaust gas energy. (Example: Holset HE400VG on a Cummins ISX15 Engine)
Planetary Gearbox: Gear system with planet gears revolving around a sun gear. (Example: John Deere 8400R Wheel Planetary Drive)
Engine Control Unit (ECU): Engine's electronic brain, controlling key parameters. (Example: Bosch EDC17 ECU for a DAF XF Truck)
Brake Caliper: Assembly housing brake pads and pistons in disc brakes. (Example: ZF Caliper Assembly for a Scania R-series Truck)
Track Adjuster: Mechanism maintaining proper track tension on tracked equipment. (Example: Hitachi ZX470LC-6 Track Adjuster Assembly)
Hydraulic Hose: Flexible conduit for carrying fluid power. (Example: JCB 3CX Backhoe Loader Hydraulic Hose)
Global Parts Sourcing & Problem Solving
Growshine International is committed to providing comprehensive solutions across the entire heavy equipment supply chain. Beyond engine electrical components like the electromagnetic switch, we offer specialized parts for material handling and container machinery. Browse our dedicated product selection for KALMAR products - Click Here to View! Our primary focus remains on delivering reliable Heavy Truck Parts, durable Construction Machinery Parts, precise Agricultural Machinery Parts, and various Auto Parts to keep your fleet operational. We carry parts for various Cummins models, including 3021581, 4975879, and 3081359.
DIAGNOSIS: Heavy Truck Engine Shutdown Failure
Equipment & Model: Heavy Truck, Sinotruk Howo T7H
Fault Description: The engine continues to run after the ignition key is turned off.
Solution & Rationale: The Fuel Shutoff Solenoid (e.g., replacement part 3903575 or 3903575) is responsible for cutting fuel flow upon shutdown. This issue indicates the solenoid's 'hold' winding is either receiving constant power due to a wiring short, or the plunger is physically stuck open. Action: Inspect the solenoid's wiring harness for shorts, test the associated relay, and if these are clear, replace the solenoid to ensure proper engine stop functionality.
In-Depth Solenoid Knowledge for the Cummins QSB4.5
The Cummins QSB4.5 magnetic switch, part 5269379, is a dual-winding solenoid. It has a 'pull' winding (high power for initial movement) and a 'hold' winding (low power for continuous operation). When activated, the pull winding retracts the plunger to allow fuel flow (or engage the starter). Once retracted, the hold winding maintains the position with minimal power draw. Failure often occurs when the hold winding burns out (preventing it from staying open) or when mechanical sticking prevents the plunger from moving to the closed position (causing a failure to shut down). Our high-specification replacements, including 3903575, are rigorously tested for consistent coil resistance and plunger stroke reliability.
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Growshine International: Your Global Sourcing Hub
Growshine International (格莳国际) specializes in the international trade of essential industrial components. Our main business is the import and export of four core product categories: Construction Machinery Parts, catering to excavators, dozers, and loaders; Heavy Truck Parts, covering major brands like Sinotruk and European trucks; Agricultural Machinery Parts, supporting tractors and harvesters; and a comprehensive range of Auto Parts. We ensure that every component, from the smallest 7N-0165 Caterpillar pin to the largest oil cooler 4W-4956, meets stringent quality checks. We are your reliable source for Cummins, Caterpillar, JCB, Navistar, and many more key industry brands, providing seamless logistics and competitive pricing for all your global sourcing needs.
Translated Product Reference Table
Below is a list of common parts we stock, with their part numbers highlighted for easy searching (including hyphenated and unhyphenated versions).
| Brand | Translated Title | Part Numbers |
|---|---|---|
| Cummins | Cummins Part 110848 | 110848 |
| Cummins | Cummins Part 3021581 | 3021581 |
| Cummins | Cummins Part 1608 with Cover | 3412285 |
| Cummins | Cummins Part 3066842 | 3066842 |
| Cummins | Cummins Parts | 3926670, 19868, 24462 |
| Cummins | Cummins Part 3882324 | 3882324 |
| Cummins | Cummins Part 3413091 | 3413091 |
| Cummins | Cummins Parts | 4975879, 3081359 |
| Navistar / International | Navistar / International Part | 1810216C2 |
| Navistar / International | Navistar / International Part | 1810217C2 |
| JCB | Black Oil Cooler Long | 30-92541, 3092541 |
| JCB | Black Oil Cooler Short | 923-04800, 92304800 |
| JCB | JCB Oil Cooler | 30-921200, 30921200, 332-C4149, 332C4149 |
| Navistar | Navistar Long Oil Cooler | 1815904C2 |
| Navistar | Navistar Short Oil Cooler | 1816626C1 |
| General | Oil Cooler | 5586665, 3098974 |
| Caterpillar | Caterpillar Parts | 4N-2231, 4N2231, 2W-7590, 2W7590 |
| Caterpillar | Caterpillar Part | 7N-0165, 7N0165 |
| Caterpillar | Caterpillar Part | 7N-0128, 7N0128 |
| Caterpillar | Caterpillar Part | 7N-0110, 7N0110 |
| Caterpillar | Caterpillar Part | 7C-3039, 7C3039 |
| Caterpillar | Caterpillar Part | 7N-0677, 7N0677 |
| Caterpillar | Caterpillar Parts | 2W-0999, 2W0999, 7W-0205, 7W0205 |
| Caterpillar | Caterpillar Parts | 4W-9822, 4W9822, 4W-9823, 4W9823 |
| Caterpillar | Caterpillar Parts | 135-5577, 1355577, 136-6094, 1366094 |
| Caterpillar | Caterpillar Parts | 149-9282, 1499282, 145-9283, 1459283, 4W-5409, 4W5409 |
| Caterpillar | Caterpillar Part | 4W-0418, 4W0418 |
| Caterpillar | Caterpillar Parts | 4W-0413, 4W0413, 6N-9514, 6N9514, 4W-0294, 4W0294, 1W-5942, 1W5942, 4W-9554, 4W9554, 4W-0419, 4W0419 |
| Caterpillar | Caterpillar Parts | 1W-0548, 1W0548, 4W-0416, 4W0416, 4W-5475, 4W5475 |
| Caterpillar | Caterpillar Parts | 0R-8411, 0R8411, 101-1741, 1011741 |
| Caterpillar | Caterpillar Parts | 4W-0413, 4W0413, 245-3215, 2453215 |
| Caterpillar | Caterpillar Parts | 7N-3505, 7N3505, 7N-3521, 7N3521 |
| Caterpillar | Caterpillar Parts | 7N-0101, 7N0101, 4P-7730, 4P7730, 4P-7731, 4P7731 |
| Caterpillar | Caterpillar Part | 127-5538, 1275538 |
| Caterpillar | Caterpillar Parts | 1N-3082, 1N3082, 8N-3374, 8N3374 |
| Caterpillar | Caterpillar Parts | 127-5537, 1275537, 4W-7382, 4W7382, 7W-5986, 7W5986 |
| Caterpillar | Caterpillar Part | 4W-4955, 4W4955 |
| Caterpillar | Caterpillar Parts | 4W-4980, 4W4980, 9Y-3606, 9Y3606, 124-5142, 1245142, 4W-5405, 4W5405, 4W-4956, 4W4956 |
| Caterpillar | Caterpillar Parts | 4W-4956, 4W4956, 4W-4965, 4W4965, 1D-1892, 1D1892, 100-8008, 1008008 |
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XCMG, Komatsu, Liugong, Sany, Zoomlion, Sunward, Shanhe Reconstruction Machinery, Lisde, Shantui, Sichuan Bangli, Zhanyang, Hyundai, Hitachi, Kobelco, Volvo, Bobcat, Jintai, Hengtian Jiuwu, Tuxingsun, Liuzhou Fidelity, Yuchai, Atlas, Belas, Shouli, Yineng Heavy Industry, Degong, Fula, Xiangfan Jinying, Yutong Heavy Industry, Xuangong, Leima, Luoyang Yituo, Yantai Jerry, Aerospace Tate, Tongli Heavy Industry, Tianjin Tonglian, Bei Fang Heavy Industry, Sichuan Changqi, Xiamen, Longgong, Chenggong, Caterpillar, Shangong, Hualing Heavy Industry, Harbin Bowei, Pengpu, Inner Mongolia Yimai, Yishan, Qingdao Zhonghong, Kess, Manitowoc, Foton Revo, Dingsheng Heavy Industry, Changzhou Changlin, Baoe, Dasheng Heavy Industry, Chery Heavy Industry, Heavy Truck Haidou, Daxin Heavy Industry, Dadi, Demag, Meispool, Kaiyuan Heavy Industry, John Deere, Linde, Heli, Kalmar, Liebherr, Ingersoll Rand, Lingong,JCBStrategic partners of well-known engineering machinery brands such as Sumitomo, Tadano, Wittgen, Fukuk, Kubota, Sandvik, Sino-Heavy Industry, Sakai, Sunnybogen and other well-known construction machinery brands
Rotary drill_excavator_Loader_Track crane_Car crane_Mine truck_Stacker_Generator set_Power unit_removeWaterproof pump_Rescue vehicle_bulldozer_Steel gripper_Wood grabber_Slot machine_Milling machine_Grader_Busy at both ends_tractor_Rock drill_Air compressor_Cotton picker_Front hang_Underground shoveling machine_Rail car_Forklift_Mixer_Cold regeneration machine_Beam transport truck_Cartridge_Snow thrower_Fracturing truck_Sand-pulling boat_Flaw detection vehicle_Tractor_bus_Re-card_Cash card_Light truck_Dump truck_Working car_Line-drawing car_Horizontal directional drill_Coal pusher_Repair of various construction machinery such as furnace dismantling machines_After-sales service_maintainance_On-site service_Chushu_Overhaul_Modular repair
The engine oil seal leaks oil, water pump leaks, the engine is high temperature, weak, black smoke, blue smoke, white smoke, oil car, difficulty in starting the engine, holding the car, engine replacement, changing the machine, pounding the cylinder, holding the shaft, holding the tile fault treatment, engine oil turns black, burning the engine oil,ORing aging, belt breakage, engine noise, cylinder knocking, etc. troubleshooting, on-site service to solve problems
QSK95_QSK45_QSV91_QSV81_QSK78_V1710_K2000E_QSK60_QSK50_K50_K38_K19_QSK50_QSK38_QSK19_V28_QST30_QSK23_QSX15_QSK19_QSG11_QSZ13_QSX12_QSG12_QSX11_QSM 11_Qsn14_Qsl8.9_Qsc8.3_Qsb6.7_Qsb5.9_Qsb3.9_Qsb4.5_QsF4.5_QsF3.8_isg11_isg1 2_ISX15_ISX12_X13_Z14_ISZ13_ISM11_ISL9.5_ISL8.9_ISDE6.7_ISB5.9_ISC8.3_ISDE4. 5_ISF3.8_ISF2.8_B3.3_B4.5_B5.9_C8.3_L8.9_L10_M11_NT855_12V140_6D170_6D140_6D125_6D107_6D102_6D114_Cylinder block_crankshaft_cylinder head_piston_cylinder liner_piston ring_piston pin_piston pin_club spring_camshaft_four matching_six matching_maintenance package_small tile_spin bearing bus_connecting rod tile_thrust tile_water blocking ring_oil_filter Core_Maintenance supplies_Water pump_Oil pump_Oil cooler_Radiator_Temperature controller_Fuel pump_Injector_Line harness_Starting motor_Relay_Suspension switch_Generator_IDE wheel_Crankshaft pulley_Shock absorber_Intake valve_Exhaust valve_Valve oil seal_Valve seat_Valve conduit_Valve spring_Main oil passage bowl plug_Water outlet_Water outlet_Medium cylinder assembly_Basic machine_Short cylinder block_Long cylinder block_Engine replacement_Second-hand engine_Engine remanufacturing_Engine refurbishment_Engine assembly_Disassembly parts
