Fan support / fan bracket / fan base for Cummins 4BT diesel engines, aftermarket cooling system mounting component for securing the cooling fan assembly, keeping fan alignment stable during high-speed rotation. All part numbers are cross-referenced against OEM specs for direct matching.

Part numbers: 3960076, 4932910
Fits: Cummins 4BT diesel engine
Position: Engine cooling fan mounting support assembly

What you are ordering
Price is per fan support / fan bracket. Two part numbers are separate variants, please select the correct PN from variant options. These brackets are not interchangeable. Different part numbers have different mounting hole layout and structural dimensions. Wrong selection will lead to fan misalignment, vibration and early damage to fan and belt.

Specifications
Material: high-strength cast iron
Structure: integrated casting support bracket
Dimension & mounting position: calibrated to OEM standard
Finish: anti-rust treatment, precision machined mounting surface
Packing: individual protective box, marked with part number

When to replace
Replace the fan bracket when cracked, deformed, mounting threads stripped or bearing seat worn. Common failure signs: heavy vibration, abnormal knocking noise, fan swing. Replace the bracket together with fan and belt during cooling system overhaul.

Fitting notes
Strictly confirm engine serial number before ordering. Do not install brackets of different part numbers interchangeably. Follow Cummins service manual for mounting torque and alignment check. If you are not sure which PN matches your engine, send us engine serial number for confirmation.

Warranty and shipping
Covered by a 12-month warranty against manufacturing defects. Orders are dispatched within 3–7 business days; DHL / FedEx delivery takes 5–10 business days. Tracking number is sent as soon as the parcel leaves our warehouse.

Note: manufacturer names and part numbers are used for identification and cross-referencing only. We are an independent aftermarket supplier and are not affiliated with, or authorised by, the original manufacturer. Please verify the part number against your engine's parts catalogue before ordering — our team is happy to help if you send us your engine model or serial number.