Can The Water Pump Pulley Be Replaced?

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Kwing

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If it weren't for bad luck, I wouldn't have any luck at all.

Replaced the water pump on my '07 Tahoe 5.3 in April. Got a cheap one on Amazon. Yesterday, on the home after being fired ("laid off"), my serpentine belt exploded.

I popped the hood to find the weld on the water pump pulley, that joins the stamped steel pulley to the hub, had completely shattered, leaving pulley flopping in the breeze.

Can I remove/repair/replace just the pulley/hub assembly, or am I stuck replacing another water pump? Any help is appreciated.
 

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