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Cummins 3909890 Fan Support Assembly
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| Material | Ductile Iron |
| Surface Treatment | Corrosion-Resistant Coating |
| Mounting Type | Bolt-On to Front Gear Housing |
| Function | Cooling Fan Assembly Support and Alignment |
| Weight | 6.5 kg |
| Compatible Engine Series | B Series, ISB, QSB |
Manufacturer No.
390989039584125260996391343332859494938202526132249975963909889
OEM Part No.
390989039584125260996391343332859494938202526132249975963909889
Engine Part No.
Cummins ISB3.9Cummins ISB4.5Cummins ISB6.7Cummins QSB3.9Cummins 6BT5.9Cummins QSB6.7
Interchange No.
39584125260996391343332859494938202526132249975963909889
Fitment Vehicles
Komatsu PC200-8Dodge Ram 2500Dodge Ram 3500Heavy Duty TrucksHydraulic ExcavatorsGenerator SetsMarine Vessels
Cooling System - Industrial Encyclopedia
Genuine Cummins fan support bracket 3909890 engineered for ISB3.9, ISB4.5, ISB6.7, QSB3.9, 6BT5.9, and QSB6.7 diesel engines. Ensures precise cooling fan alignment and structural integrity under heavy-duty thermal cycling.
