The Fan Hub is a component of the engine cooling system found in trucks. It is responsible for driving the fan that helps cool down the engine by pulling air through the radiator. The hub is typically made of heavy-duty materials like cast iron or steel to withstand the high rotational forces generated by the fan blades. It connects to both the engine crankshaft and fan blades using bolts and has a mechanism for adjusting tension on the belt that drives it. If there are issues with overheating, it's important to check the condition of the Fan Hub as it can affect cooling performance if not functioning properly.

P/N NAME QTY
3642923 FAN PILOT SPACER 1
69771 SOCKET HEAD CAP SCREW 2
145586 O RING SEAL 1
205168 PLAIN WASHER 1
3002743 PLAIN WASHER 1
3651295 FAN HUB 1
185747 OIL SEAL 1
206505 ROLLER BEARING 2
206506 LOCK NUT 1
206519 BEARING SPACER 1
206520 RETAINING RING 1
3178564 FAN PULLEY 1
3627684 BEARING SPACER 1
3650546 FAN HUB SHAFT 1
3651285 HEXAGON FLANGE HEAD CAP SCREW 4

 

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